The cervical spine has a forward physiological bend, and prolonged head down, such as playing computer games, ambulating work, working in front of the computer, causes the muscles behind the cervical spine to be in the process of reverse the forward physiological bend of the cervical spine, and strain and strain will produce pain. The lighter lesions are muscle strain behind the cervical spine, myofasciitis in the back of the neck, and the more serious ones may be cervical spondylosis. You should try to avoid prolonged head-down, do more head-up exercises, and get up every half hour at work to move the cervical spine and relax the surrounding muscles. You can do hot compresses, massage, physical therapy at the painful area, and apply topical ointment to help relieve blood stasis and relieve pain. Usually, you can do more swimming, kite flying, badminton and other sports that are good for head lifting action.