Washing hair with mugwort leaves can’t make gray hair black. Mugwort has the effect of removing dampness and relieving itching, and can be used externally to treat itchy skin. Wash your hair with mugwort leaves can’t make your gray hair black, and you need to go through the right standardized treatment to make your gray hair black. Chinese medicine believes that the occurrence of gray hair is closely related to the spleen, liver, kidney organs, divided into different types of evidence, and according to the type of evidence to give different treatments. Blood-heat type of gray hair can be treated with Cooling Blood and Darkening Hair, Longdian Diarrhea Liver Tang; Liver and Kidney Yin Deficiency type of gray hair can be treated with Nourishing Water and Cleansing Liver Drink; Qi Stagnation and Blood Stasis type of gray hair can be treated with Tongjiao and Blood Activation Tang; Heart and Spleen Deficiency type of gray hair can be treated with Rejuvenation of the Spleen Tang with additions and subtractions. The adverse reactions and contraindications of the above drugs are not clear yet. Patients with gray hair should maintain a relaxed mood and avoid sadness, anxiety and mental tension. It is recommended to avoid eating spicy and stimulating things, balanced diet, diet should be light. When the patient appears white hair, should promptly go to the hospital to find out the cause of the disease, if necessary, follow the doctor’s instructions for standardized treatment, so as not to affect the health of the body.