Keeping a wrong posture for a long time and lack of exercise, such as playing with the cell phone with head down and sitting for a long time, lead to the neck muscles often being in a contracted state, which makes the joint mobility weaken or inflammation occur, and can lead to neck suffocation and discomfort, and can also cause cervical spine osteophytes and cervical spondylosis. When neck pain occurs, you can relax the neck muscles through local massage, appropriate activities, change the sitting posture, etc. to relax the tense and stiff muscles, improve blood circulation, promote the nutrient supply of musculoskeletal, accelerate the excretion of metabolites such as lactic acid, and reduce the discomfort of neck swelling. Feel neck swelling is also related to the lymph nodes in the neck, thyroid disease, etc. It is recommended to go to the hospital for further examination and clarification.