For neckline, it can be improved through life conditioning, injection treatment, photoelectric treatment and other methods. 1. Life conditioning: you need to pay attention to sunscreen in your life to reduce the damage of ultraviolet rays on the skin of neck area, and you can use some essence cream or moisturizing lotion to wipe your neck normally. 2. Injection treatment: including hyaluronic acid injection and sodium hyaluronate injection, hyaluronic acid injection to remove neck lines, can reduce wrinkles and improve the phenomenon of neck lines; sodium hyaluronate injection to remove neck lines, can make the neck skin become plump and elastic, and improve neck lines. 3. Photoelectric treatment: refers to radio frequency to remove neck lines, through photoelectric stimulation, can promote the collagen regeneration of the neck line area, with skin tightening, anti-wrinkle effect, generally can be maintained for 3 to 5 years. It is recommended that patients with neck lines go to the dermatology department in time and follow the doctor’s instructions to carry out the appropriate treatment.