Neck laxity and deep neck lines can be dealt with through medical aesthetic treatments and surgical treatments. 1. Medical aesthetic treatment: laser treatment, injection treatment and thermal lifting and other medical aesthetic treatment methods can help patients effectively improve the phenomenon of neck laxity. For example, hyaluronic acid, collagen and other substances are often used for local injection, which can fill the local depression to effectively eliminate the effect of neck laxity. 2. Surgical treatment: general with obvious neck skin laxity of the neck line patients, can also help eliminate neck laxity through surgical treatment. For example, the principle of skin lifting, which is often used in the clinic, is to remove the excess skin of neck laxity through surgery, and then anastomose after surgery, so as to achieve the effect of effectively eliminating neck laxity. It is recommended that patients who have neck laxity with deep neck lines need to choose the appropriate treatment method under the guidance of a professional doctor in order to achieve the desired results.