According to the determination, the content of protein19.94% in white kidney bean is 5% ~10% higher than that in wheat and12% higher than that in corn. The fat content is 2.46%, which is higher than that of wheat1%; The starch content is 65.8%, which is 26% higher than that of potato. It also contains a variety of amino acids beneficial to human body, minerals such as calcium, phosphorus and iron, and soluble sugars and carbohydrates. The contents of vitamin b 1 and b2 are higher than those of soybean and wheat. It can be used to make canned food or eight-treasure porridge, which is delicious and unique. Can also be made into a variety of foods, making bean paste is the first-class filling of bean bags. White kidney bean powder is used to make vermicelli, which is white and thin, shiny and tough. White kidney bean is a kind of rare bean commonly used in western food. Stewed meat, stewed chicken, stewed pig's trotters, etc. are commonly used by the people in the place of origin. They can be cooked in the pot for a long time without cracking, but they will crack immediately as soon as they are scooped into the bowl, so the local villagers call it "flowering in the bowl". Because of the advantages of large grain, white color, delicious taste, fresh soup and rich nutrition, people regard it as a holiday delicacy and a gift treasure. At a grand banquet, using white kidney beans from southern Shaanxi together with other foods can make delicious dishes with various exquisite patterns, which not only increases the festive atmosphere, but also makes guests feast their eyes before eating their fill.