Severe hair loss in women may be caused by certain non-disease factors such as malnutrition, mental factors, irregular lifestyle, but hyperthyroidism, polycystic ovary syndrome, seborrheic dermatitis, anemia, lupus erythematosus, cancer and other disease factors can also cause severe hair loss, which requires patients to make a comprehensive judgment based on signs and tests, and actively treat after diagnosis. I. Non-disease factors 1, malnutrition: hair growth and protein, vitamins, minerals and other nutrients have a certain correlation, malnutrition can also lead to hair loss. Should be reasonable diet, supplement nutrition; 2, mental factors: life emotional depression, excessive work pressure, can lead to serious hair loss. To adjust their own mental state, relax, the general symptoms will be alleviated; 3, irregular lifestyle: If often stay up late, it will promote oil secretion, blocking hair follicles, resulting in hair loss. Need to adjust the work and rest to ensure sufficient sleep; 4, postpartum hair loss: higher levels of estrogen during pregnancy, postpartum hormone level imbalance, mainly estrogen levels decline leading to hair loss; 5, other: frequent hair dyeing, perming, will cause serious damage to the hair and scalp follicles, resulting in serious hair loss. Second, disease factors 1, hyperthyroidism: excessive secretion of thyroid hormones, causing metabolic disorders in the patient’s body, may appear serious hair loss. It is recommended that active treatment, you can choose anti-thyroid drugs, radioactive iodine treatment, enlarged thyroid gland compression of the trachea requires surgery; 2, polycystic ovary syndrome: will lead to androgen secretion, resulting in serious hair loss, mainly in the top of the head, available anti-androgen drugs for treatment; 3, seborrheic dermatitis: epidermal fungus will affect the normal bacteria, occurring in the head will cause damage to the scalp It can cause severe hair loss, which can be treated with oral antibiotics and antifungal drugs; 4, anemia: due to insufficient blood supply, the patient can not nourish the scalp, which may cause severe hair loss, and the symptoms can be relieved by supplementing iron products and vitamins; 5, lupus erythematosus: immune system abnormalities lead to lupus erythematosus, which spreads to the scalp and damages the head hair follicles, causing massive hair loss, which can be treated with sugar Corticosteroids combined with immunosuppressants for treatment; 6, cancer: during the treatment of cancer, due to the influence of chemotherapy, the scalp cells are damaged, which can cause hair loss, and most patients can regrow hair loss after the end of chemotherapy; 7, other: if there is ringworm or local eczema, there will be the problem of hair roots that are not strong, which leads to severe hair loss. After getting effective treatment, the symptoms of severe hair loss can usually be relieved.