Pea cake, also known as bean paste cake, chengsha cake, is a Han Chinese specialty cake snack in Taiyuan, Shanxi Province, is a sweet food, suitable for consumption in summer. It is a sweet snack that should be eaten in summer. It is made by peeling and grinding the top grade peas and adding sugar, persimmon cake and persimmon cream. Sweet and savory, cool down the fire, refreshing and sweet, beneficial to the spleen and stomach, relieve heat and remove toxins. Pea food with heat, detoxification, diuretic effect, especially for diabetes and postpartum lactation patients have peculiar medicinal effects, but also can make branding and frying type of leisure food, is the summer heat cold food, the Department of Taiyuan City, one of the seasonal snacks. 1957, pea cake was named Taiyuan City, "Ten Famous Foods". Peas: peas are rich in high-quality protein, carotene, can improve the body's ability to resist disease and recovery, enhance the body's immune function, prevent the synthesis of carcinogenic substances in the human body, reduce the incidence of cancer in the human body.