Thick shoulders and neck can be improved by bureau massage, sports exercise, local stretching, etc. Thick shoulders and neck may also be obese, lack of exercise performance, you can consume excess energy and fat in the body every day through calisthenics, yoga, jogging, etc. It is best to do some shoulder and back stretching exercises under the guidance of a professional fitness instructor, which can make the shoulder and neck muscle lines even and soft. The usual diet should also be reasonable, try to limit the intake of high-fat, high-calorie foods, and increase the intake of fruits and vegetables.