Usually there is no quick way to grow hair, hair growth takes some time and needs to be treated for the cause. Hair loss is relatively high, consider and malnutrition, seborrheic alopecia, baldness and other factors related. It is recommended to pay attention to the protein, trace elements of the supplement, under the guidance of the doctor to give external drugs coated, if necessary, with oral medication, can promote hair growth. 1. Malnutrition: Hair growth cannot be separated from the supply of nutrition, and severe malnutrition can lead to massive hair loss. It is recommended to supplement protein, trace elements and B vitamins with doctor’s advice, which is helpful to improve the symptoms. 2. Seborrheic alopecia: Seborrheic alopecia tends to occur during or after puberty, and hair loss can be progressive, considering that it is related to heredity. Oral medication, such as Finasteride, can be given in conjunction with the doctor’s advice. Topical minoxidil can promote hair growth. 3. Patchy baldness: Patchy baldness is a kind of limited hair loss, which is related to psycho-neurological factors, hereditary factors and autoimmune diseases. Glucocorticosteroids such as prednisone and minoxidil can be given under doctor’s guidance, which can be used in the treatment of male pattern baldness and patchy baldness. If the hair loss is more, it is recommended to go to the dermatology department of the hospital for relevant examinations, first to clarify the causes of hair loss, and then for the cause of the treatment.