Puffed food refers to a kind of food that evaporates the water inside the food through high temperature and high pressure treatment, thus expanding the volume of the food. In the production process, Wangwang fresh shellfish was puffed to make it fluffy and crisp. This kind of puffed food is made of grain, starch and other main raw materials through a special process. Want Want Fresh Shellfish is a snack made from rice flour by puffing. It tastes crisp, sweet and delicious. As a kind of puffed food, Wangwang fresh shellfish is very popular in the market and has become one of the snack choices in people's daily life.