Washing hair with water is not effective for seborrheic alopecia and should be treated actively with doctor. Seborrheic alopecia, also known as androgenetic alopecia, is mainly caused by genetic factors and high androgen levels, especially when induced by excessive mental stress, poor diet and lack of hygiene. For patients with androgenetic alopecia, simply washing their hair with water is not effective. Therefore, for the disease should be early diagnosis and early treatment, the better the effect. Treatment can cooperate with the doctor to choose finasteride, spironolactone, minoxidil and other related drugs. It is recommended that patients with androgenetic alopecia should cooperate with doctors to standardize the treatment as soon as possible, so as to reduce the symptoms of patients and improve the local appearance.