First of all, to correct you, there is no such thing as kidney yin deficiency and kidney yang deficiency, diabetic patients are not allowed to eat beans, because red beans, green beans, soybeans, black beans, white beans, and other beans contained in the plant crude protein contains a large number of purines, eat will aggravate the burden on the kidneys, making the diabetic nephropathy early, increasing the risk of suffering from uremia, and the beans have a high content of starch, which is converted into a large number of small intestines of the people. Glucose, making your day's calories greatly exceeded, so diabetics are not allowed to eat red beans, green beans, soybeans, black beans, white beans and other beans. Protein powder also can not eat, because protein powder is refined from soybeans, also contains a large number of purines.