"Ruou can" — literally "straw wine" — is not something you order at a bar. You encounter it at a Tay village wedding in the hills above Ha Giang, at an Ede longhouse ceremony in the Central Highlands (중부 고원 / 中部高原 / 中部高原), or at a communal fire in a Hmong hamlet after the harvest is in. The jar is passed, the straws are handed out, and nobody drinks alone.
What It Is
Ruou can is a fermented rice wine brewed in earthenware jars and consumed communally through thin bamboo or rattan straws. Each ethnic group — Tay, Thai, Hmong, Muong, Ede, Bahnar, and others — has its own recipe, its own fermentation technique, and its own protocols for when and how it gets shared. The alcohol content is typically low to moderate, somewhere between 15 and 25 percent depending on the grain mix and fermentation time, though village batches vary.
The name refers to the method of drinking, not the wine itself. "Can" means straw or pipe. The jar stays on the ground or a low table; the straws reach up and out to whoever is gathered around it.
How It's Fermented
The base grain is usually glutinous rice — "gao nep" — though sorghum, corn, or cassava sometimes replaces or supplements it depending on what grows locally. The grain is steamed, spread out to cool, then mixed with a dry fermentation starter called "men ruou". This starter is the critical variable. Different communities use different combinations of wild herbs, roots, and dried plant material ground into a powder or pressed into small cakes. The exact recipe is often passed down within families and treated as something close to proprietary.
The inoculated grain is packed into an unglazed clay jar, sealed with banana leaves or a clay stopper, and left to ferment anywhere from a few days to several weeks. Shorter fermentation produces something lighter and slightly sweet; longer fermentation pushes it drier and stronger. When the jar is opened, water — sometimes plain, sometimes infused with herbs — is poured over the grain mass inside, and the liquid that seeps out through the grain bed is what gets drawn up through the straws.
You can top the jar with more water as the level drops, which means a single jar can last through an evening as successive rounds dilute and gradually weaken the drink.
The Tay and Thai Traditions
Among the Tay and Thai communities in the northern highlands — particularly around Sapa, Ha Giang (하장 / 河江 / ハーザン), and Mai Chau — ruou can appears at every significant gathering: weddings, funerals, the new rice harvest, Tet celebrations. The host family typically prepares multiple jars, with some reserved for honored guests or elders.
The drinking order matters. Elders and guests drink first. The host often directs the rotation, and refusing when directly offered is considered impolite — though a small symbolic sip is always acceptable when a full cup is not. Straws are shared without particular concern, which is worth knowing if you join a circle.
In Thai villages around Mai Chau, women often do the brewing and men often lead the ceremony, though this is not a fixed rule and varies by village.
Photo by Anthony Tran on Pexels
The Ede and Bahnar Traditions
In the Central Highlands — around Buon Ma Thuot, Pleiku, and Kon Tum — the Ede and Bahnar peoples have their own ruou can culture, sometimes called "ruou ghong" (jar wine). Here the jars tend to be larger and the ceremonies more elaborate. Ede longhouses, which can house extended families of twenty or more people, are the natural setting: everyone sits on the floor around the jar, straws radiating outward.
For the Ede, ruou can has a formal role in events like the Bong festival, house-warming ceremonies, and dispute resolution rituals. Drinking together is explicitly an act of bonding and witnessed commitment — sharing the jar is sharing accountability.
The Bahnar sometimes add honey or forest herbs to the fermentation mix, giving their version a more complex, slightly bitter finish.
The Hmong Approach
Hmong communities in Ha Giang and Lao Cai brew ruou can less ceremonially and more seasonally, tied to the corn harvest. Their version often uses corn rather than rice, producing a drier, earthier drink. The fermentation starter ("men ngo" in some communities) incorporates specific bark and root combinations that differ from lowland Vietnamese yeast preparations.
At Hmong new year markets — held around the time of Tet (뗏 (베트남 설날) / 越南春节 / テト (ベトナム旧正月)) — communal jars appear alongside food stalls and music, and visitors are regularly invited to drink. It costs nothing, or occasionally a small contribution to the family who brewed it.
Photo by Anthony Tran on Pexels
Drinking It as a Visitor
If you're traveling through highland areas and get invited to drink ruou can, say yes. The straws are usually pre-rinsed, and the alcohol content is enough to make you feel welcomed without flooring you — especially in the first few rounds when the jar is freshest.
What you should know: drinking speed matters in some traditions. The host may watch to see that the level drops by a fixed mark before adding water, which is their way of measuring your portion. Drinking too slowly can read as disinterest; drinking too fast can seem competitive. Matching the pace of the person next to you is the safest approach.
Ruou can has started appearing in cultural tourism contexts in Sapa (사파 / 沙坝 / サパ), Buon Ma Thuot, and Ha Giang town — sometimes served at homestays or village tours at around 20,000–50,000 VND per person for a communal session. These versions are genuine enough, though they lack the weight of a real ceremony. If you have the option of attending an actual village event, that is always the better experience.
Practical Notes
Ruou can does not travel well as a souvenir — the fermentation is active and the jars are fragile. Some shops in highland towns sell sealed small-batch versions in ceramic jars, but what you buy in a store is a different product from what you drink at the source. Drink it where it's made.
Last updated · May 26, 2026 · independently researched, never sponsored.
