Hair loss after 20 years of radiation therapy to the scalp is recommended to be improved by hair transplantation. Scalp radiation therapy in the process of radiation directly on the head of the hair follicles, resulting in irreversible damage to the hair follicles, resulting in many years of hair loss, most of this hair loss can not be reversed, and want to improve the way much recommended to take a hair transplant, the results of other ways are not very satisfactory. Hair transplantation is the transplantation of hair follicles from other parts of the body to the head, when the hair follicles become viable, you can naturally grow hair, the specific situation needs to be determined according to the individual follicles, it is recommended to carry out a comprehensive and detailed examination, and under the guidance of the doctor to choose the right program and treatment means.