It is a kind of natural wild higher fungi, belonging to the family Russulaceae of the genus Agaricus, and is known as "delicious food", which is one of the world-famous edible fungi. It is famous for its mellow and delicious taste, refreshing fragrance and crystal clear soup color. Usually eaten by steaming, stewing, frying, stewing, etc., it tastes better if cooked with various meats such as chickens and ducks. Due to the pure wild collection of russula, the annual output is not high, so "things are rare." Russula is a superior gift for Fujian people to visit relatives and friends during the Spring Festival, and it is a local product for visiting relatives and friends. However, in recent years, incidents of food poisoning caused by eating poisonous "russula" by mistake have occurred from time to time in our province.