In daily life, kidney deficiency can be caused by imbalance of the seven emotions, six external sexes, poor diet, trauma, and indiscriminate use of tonic drugs. At the same time, there are many kinds of kidney deficiency, which are divided into two categories: kidney yin deficiency and kidney yang deficiency, and need to be treated with evidence and not with drugs. Liou Wei Di Huang Wan has the function of nourishing Yin and tonifying the kidney to treat dizziness and tinnitus, but it can only be applied to kidney Yin deficiency. In other words, if the patient has symptoms such as dizziness and tinnitus, weakness of the waist and knees, night sweating and spermatorrhea, Liu Wei Di Huang Wan has a good effect. Even if it is a kidney yin deficiency, Liu Wei Di Huang Wan can not be applied to all symptoms because the causative factors are different. Therefore, patients still need to be diagnosed by a doctor to determine the specific cause and understand the specific symptoms, the right medicine to effectively cure kidney deficiency. In daily life, many foods have a therapeutic effect, Chinese medicine has five colors of food therapy, that is, different colors correspond to different internal organs, generally cyan into the liver, red into the heart, yellow into the spleen, white into the lungs, black into the kidneys. Therefore, we can eat more black sesame, black beans, black rice and other foods to nourish the kidneys in our daily life.