Ky Cung – Ta Phu temple is one of the biggest festivals in Lang Son province. It annually takes place on the 22nd through 27th day of the first Lunar month. This festival is held to pay our respects to Than Cong Tai, a head of district who had merit of opening Ky Lua Market to trade with Chinese from the 17th century.

The parade route runs from Ky Cung temple to Ta Phu temple. Local people dressed in colorful and traditional clothes paraded around the city. People go to temples to pray for a better health and a happy life.

Almost families along the streets celebrate big parties and invite guests to have lunch together. Every house also makes offerings, especially a roasted big pig. There are many folk games. The festival attracts many visitors even foreign tourists. This is one of the biggest and most important festivals in Langson.