Every Saturday and Sunday. According to Baidu map, Yuyuan Road in Kunming is located in Guandu District, Kunming City, Yunnan Province, in Yuyuan Road Station Market of Metro Line 4, and it goes to market every Saturday and Sunday. Market is a form of commodity trading activities gathered in a specific period. Mainly refers to a form of trade organization left over from the underdeveloped era or region of commodity economy.