Teenagers with gray hair may be related to heredity, mental factors, nutritional deficiencies, medication factors, certain diseases and so on. It can be improved by treating the primary disease and adjusting daily life. 1. Treatment for the primary disease: If the patient suffers from certain diseases, such as hyperthyroidism, high blood sugar, etc., it is possible to cause teenage gray hair. Hyperthyroidism can be treated with anti-thyroid drugs such as imidazole and prothioxythiophene; hyperglycemia can be treated with oral hypoglycemic drugs such as metformin and glimepiride, etc. Hypoglycemia can be treated with injections of hypoglycemic agents such as insulin. The progression of gray hair can be controlled after treatment for the primary disease. All of the above drugs should be used according to the doctor’s prescription. 2. Daily life adjustment: daily should be balanced diet, not picky about food, can be appropriate to eat more food containing vitamin B12, folic acid, zinc, iron, copper, etc., to maintain a good state of mind, at the same time, need to pay attention to avoid sun exposure, long-term stay up all night, and other bad habits, the teenage gray hair patients beneficial. Teenagers have gray hair, if the symptoms continue to worsen or combined with other uncomfortable symptoms, it may be disease triggered, it is recommended to go to the hospital in time for treatment.