1. try to avoid too tight ponytail, do not tie your hair too tightly, to avoid pulling the scalp and bald area; 2. less use of clips or rubber bands, to avoid damage to the hair; 3. a balanced diet, eat more food rich in protein, vitamins and minerals, to help the healthy growth of the hair; 4. more scalp massage can stimulate the blood circulation of the scalp, to promote the supply of nutrients to the root of the hair; 5. you can use some promotion of Hair growth shampoo, hair care products or drugs, but to be used under the guidance of a doctor.