There are many reasons for fine hair and hair loss on top of the head, not necessarily due to kidney deficiency, but need to be analyzed on a case-by-case basis. According to Chinese medicine, the kidneys store the body’s essence, and the kidney essence is the necessary essence substances, these substances can nourish the hair, so kidney deficiency may lead to fine hair and hair loss on top of the head, the patient will be accompanied by premature gray hair, back pain, haggard face and other symptoms. If the hair is just fine and soft, hair fall on the top of the head, not accompanied by the above symptoms, usually not due to kidney deficiency, more consider genetic factors, trace element deficiency, poor nutrition and other factors. In addition, excessive hair dyeing and perming, the use of shampoos containing irritating ingredients and excessive head oil secretion without timely cleaning may lead to damage to the structure of the hair, which may damage the hair follicles, thus causing fine hair and hair loss on top of the head. In daily life, we should pay attention to the maintenance of hair, fully supplemented with nutrients, of which black sesame is a good product for hair care, medicine and food, can increase intake. At the same time, do not frequently dye and perm hair, to avoid excessive stimulation of the hair.