Neck lines on the neck are mainly caused by aging of the skin and reduction of collagen. Removal methods include local injection filling, lifestyle improvement and so on. 1. Injectable fillers: hyaluronic acid, collagen, autologous fat and other materials are often chosen to inject fillers for neck lines, directly filling the neck lines into the depressions of the loss of collagen under the skin, to achieve the effect of smoothing wrinkles. 2. Lifestyle Improvement: All medical aesthetic means of maintenance time and effect are limited, lifestyle improvement is equally important, daily need to try to avoid low head movement, strengthen the neck skin care, pay attention to the neck of the sun to prevent light aging. Specific treatment needs to be decided by a professional doctor through an interview and evaluation, it is recommended to choose a regular medical institution dermatology consultation.