A natural M-shaped hairline usually cannot produce hair, and hair loss can be improved by hair transplantation. Natural M-shaped hairline is due to genetic and androgenetic alopecia and other factors, it is difficult to observe hair follicles at the front edge of the hairline, and the hair follicles in the original receding area of the hairline have basically shriveled up or receded, so it is difficult to restore the hairline to its normal shape because it is not possible to stimulate the hair follicles to regrow with medication and other methods. For this kind of patients, hair loss can be improved through the way of hair transplantation, the back of the occipital hair transplantation to the M-shaped area, which is a kind of autologous transplantation, the damage is relatively small, and the recovery speed is faster, the effect is natural. Patients are advised to visit the dermatology department of the hospital for an interview, so that the doctor can choose the appropriate treatment according to their own situation.