Not all people with hair loss are suitable for hair transplantation. Hair transplantation usually refers to autologous hair follicle transplantation, the method is to remove the tissue of the hair follicle part through special electric knife, electrocoagulation, etc., remove and transplant it to the hair lacking area. The main adaptable and contraindicated groups of people for hair transplantation are: a. Adaptable groups: Generally, hair transplantation requires normal hair follicles in the donor area, normal blood supply in the transplanted area and no infection. In this premise, hair transplantation is suitable for the following cases. 1. ineffective medication: people who have undergone long-term regular medication, but the effect of medication is not good, can choose hair transplantation under the advice of doctors; 2. androgenic alopecia: often occurs in men, seborrheic alopecia due to androgen secretion, generally starting from the top of the head; 3. small baldness: high hairline, top of the head Hair thinning, regional baldness two years later has not grown new hair and small area scarring hair loss caused by trauma, etc.; 4, other parts: such as eyebrows, eyelashes, beard, sideburns and other parts of the shortage of hair, thinning are suitable for hair transplant. The following conditions are generally not suitable for hair transplantation: 1. Severe hair loss: a large amount of hair loss caused by insufficient blood supply to the scalp, resulting in insufficient hair follicles in the skin supply area, and even the risk of continued hair loss is not suitable for hair transplantation, which often means that the hair follicles are not healthy enough and will continue to fall off even after transplantation; 2. Scar body: after the surgical wound heals, the scar will The growth of hair follicles is not conducive to the growth of hair. Hair transplantation at scars caused by burns, burns, trauma, etc. will also affect the survival rate of transplanted hairs; 3, primary diseases: patients suffering from diabetes, heart disease, mental illness, coagulation dysfunction, impaired liver and kidney function are also not suitable for hair transplantation surgery, prone to poor wound healing after surgery, increasing the chances of hair transplantation failure, and the surgery may aggravate the symptoms of primary diseases if infection occurs; 4, special The hair loss caused by allergy, pregnancy, breast-feeding or chemotherapy is usually recovered after this period, and the hair volume will be gradually restored. Hair transplantation at this time is also not conducive to physical health, maternal and child safety, and recovery from disease.