In terms of food, the nutritional value of white lentils and white kidney beans is different; in terms of medicinal value, white lentils have medicinal value, white kidney beans do not. In terms of food, according to modern nutritional research, white lentils contain calcium, magnesium, potassium, phosphorus, chlorine, vitamin B5 and other nutrients that white kidney beans do not have, in addition to the nutrients that the two foods have at the same time, there are differences in content. From the medicinal value, white kidney beans is just a common food, no medicinal effect, and white lentils and summer heat, spleen and dampness effect, with patchouli, on the internal injury of summer dampness, external cold of the head heavy body tired, cold (cold) fever has the efficacy of; with yam, on the deficiency of the spleen and diarrhea, loss of appetite has the efficacy of the treatment. However, the person who has cold inside should not use white lentils. White lentils and white kidney beans although the name is similar, but can not be mixed, and if the white lentils as a medicinal herb, must be guided by a professional doctor.