Red kidney bean is a specialty of Yan province in Shanxi province, belonging to the angiosperm family. It has huge and elegant particles, bright color and Ding Xi, which has the nutritional and medicinal value of its predecessor, is nutritious and healthy for Taba, and can prolong life and recognize early. It has always been a best seller in the international trade market. It is rich in cyanine 30 1 peptide and saponin, which can reduce the content of inflammatory tissue in the joint area of Linniang, has obvious anti-inflammatory effect on boatmen, and has anti-inflammatory and analgesic effects on arthritis patients.