Anti-refulx bile duct metal stent with valve

The utility model relates to a metal support with a valve anti-reflux bile duct, which comprises a tubular support (1) and an anti-reflux valve (2) arranged in the tubular support (1), wherein the tubular support (1) is formed by weaving memorial alloy in a super elastic shape and is tubular and comprises a duodenum end (11), an anti-reflux valve part (12) and a bile duct inner end (13); the anti-reflux valve part (12) is provided with a one-way passing anti-reflux valve (12); the anti-reflux valve (2) comprises a valve support (21) and a valve leaf (22); and arches protrude towards the bile duct inner end (13) of the support, and the top parts of the three arches of the valve support (21) are sewed and fixed on the anti-reflux valve part (12) of the tubular support. The utility model not only realizes the curing function that the support is used for bile duct obstruction cure, biliary drainage and jaundice reduction, but also can effectively prevent the duodenum content from reflowing into the biliary system, lightens complicating diseases like cholangitis after the support is placed, therefore, the utility model more accords with the physiological function.