Hair follicles cannot be regenerated. When a patient’s scalp follicles are completely destroyed by trauma or inflammation, they cannot be regenerated. However, in the case of localized trauma and inflammation, you can cooperate with your doctor in time to be able to prevent the degree of damage to the hair follicles from aggravating and preventing further damage. For hair follicles, once necrosis occurs, it can not be regenerated, and hair follicle transplantation, and only local transplantation of hair follicles, and can not be necrotic hair follicles for resurrection, mainly through the reasonable allocation of hair follicles in the area of the posterior occipital bone, and after cultivation of its implantation in the area of hair loss, to achieve the purpose of hair regeneration. For patients who have localized hair loss themselves, it should be clarified as soon as possible whether the hair follicles are necrotic or not, and the corresponding treatment and therapy should be given to improve the local appearance.