Possible causes of hair loss include seborrheic alopecia, malnutritional alopecia, and fungal infections. 1. Seborrheic alopecia: Seborrheic alopecia, also known as androgenic alopecia, is generally caused by excessive secretion of androgens, and can be treated with topical minoxidil and other treatments, and women can take spironolactone and other oral medications. 2. Malnutrition: when malnutrition occurs, hair loss will be serious, such as the existence of dieting and weight loss behavior should be stopped immediately, timely supplementation of nutrients, when the symptoms are mild, usually can gradually return to normal. 3. Fungal infections: If there is a fungal infection of the scalp, there will be easy hair loss, dandruff and other phenomena, you can use antifungal drugs such as ketoconazole lotion and other treatments. If the phenomenon of women’s hair loss is serious, you should go to the hospital in a timely manner, the above drugs should be used in accordance with medical advice.