There are many kinds of beans, mainly including soybeans, broad beans, peas and mung beans. The names of beans come from many sources, such as soybeans, red beans, mung beans, red beans, black beans, white rice beans, black beans, etc., which are named after the colors of beans; In addition, there are blue beans, red beans and white beans, which are divided by the color of flowers; There are also African beans, elephant ears, sword beans, kidney beans, broad beans, cowpeas, etc., which are distinguished by the shape of pods. In addition, there are some beans with another meaning, such as acacia beans, peacock beans, soldier beans, crow beans and so on, which are really varied. But there are also beans that are not called beans, such as Gleditsia sinensis, Suanzao, Solanum lyratum, peanuts, mimosa and so on.