Legend has it that Vieng market is linked somehow to the person who brought copper casting to the area, Nguyen Minh Khong, so people who go the market feel that they'll get lucky if they buy something made of copper at Vieng market on this day.

This spring market displays handicraft products, antiquities and false antiquities, utensils, tools for agriculture production, and many kinds of ornamental plants. Specialities are barbecued beef and giay cake.

The cheapest things at Vieng would be flowers and trees, which bring both the buyer and seller happiness and luck. From around 2am, deals are done under the light of candles or flash-lights. Deals are agreed quickly, as people believe, to keep the luck. From 6am, local people bring farming tools such as hoes and sickles to sell, which relate closely to their lives. Buyers believe that the tools will bring them health and richness. Vieng market also is also a place to relax. Lovers would find themselves or their happy future here.

All kinds of goods are bought and sold. People come to the market not only to buy products and wish for a prosperous and lucky year.