The causes of hair loss include seborrheic alopecia, alopecia areata, lupus erythematosus, etc., which can be improved by medication and enhanced care. 1. Seborrheic alopecia: seborrheic alopecia, also known as androgenic alopecia, is mainly manifested as hair loss, fine hair, greasy hair and other symptoms, such patients can be applied locally to help hair growth, but also need to take oral medication to help reduce the level of androgen in the body, generally men take finasteride, women can take spironolactone and so on. 2. Resting hair loss: frequent perming, hair coloring, excessive mental stress, lack of sleep and other stimulating factors will make a certain proportion of the hair growth period to the resting phase of the transformation, thus causing hair softness, hair loss and other phenomena, such patients should pay attention to avoid excessive perming and dyeing, strengthen hair care, to ensure adequate sleep and a good state of mind, so as to help improve the related symptoms. 3. Lupus erythematosus: when lupus erythematosus involves the scalp, it can also cause soft hair, hair loss and other occurrences, such patients can be in the affected scalp localized application of halometasone cream, hydrocortisone butyrate ointment and other ointments to help treatment, but also need to oral prednisone, hydroxychloroquine and other drugs. There are many reasons for hair loss, it is recommended to consult a doctor in a timely manner to clarify the cause of the disease under the guidance of a physician for standardized treatment, do not self-medication.