For patients with severe hair loss, it is considered to be related to androgenetic alopecia, tinea capitis, malignant tumors, etc. Treatment should be based on the cause of the disease by taking general treatment, medication and other ways. 1. Androgenetic alopecia: related to heredity and androgen, due to the metabolism of androgen produced by dihydrotestosterone will make the hair follicle miniaturization, hair thinning, hair growth cycle becomes shorter, ultimately leading to hair follicle atrophy, hair loss, at this time can be prescribed by the use of finasteride (male), spironolactone (female), such as oral, topical minoxidil tincture, if necessary, can be improved through hair transplantation surgery. 2. Tinea capitis: for patients with tinea capitis, due to the combination of fungal infections in the scalp, it is necessary to follow the medical advice to use miconazole ointment, terbinafine cream and other drugs applied externally, combined with fluconazole, itraconazole and other drugs taken orally. 3. Malignant tumors: for patients with malignant tumors, the use of radiotherapy, radiotherapy and other forms of treatment, treatment side effects can lead to severe hair loss, there is no better treatment, if you consider the aesthetic problems, you can wear a wig. For patients with severe hair loss, it is recommended that they go to a regular hospital for consultation and active treatment after clarifying the cause of the disease.