The current paper adopts traditional and moder  Methods: to screen 86 legume drugs which have rheumatic efficacy in Chinese Materia Medica, discusses their properties such as three characteristics, flavors, meridian, efficacy, indications. Most legumes rheumatism drugs are bitter in taste, warm in nature, channel tropism to spleen, lung, kidney and liver. Most are non-toxic. The main efficacy of legume drugs are dispelling wind and eliminating dampness, promoting blood circulation and detoxification, for the treatment of wind dampness arthralgia syndrome and bloodstasis syndrome.