Keeping a wrong posture for a long time and lack of exercise, such as playing with the phone with the head down and being sedentary, lead to the neck muscles often being in a contracted state, making the joints less mobile or inflammatory, which can lead to neck suffocation and discomfort. It can also cause cervical spine osteophytes and cervical spondylosis, and neck pain can occur. You can relax the neck muscles through local massage, appropriate activities and change the sitting posture to relax the tense and stiff muscles, improve blood circulation, promote the nutrient supply of musculoskeletal, speed up the excretion of metabolites such as lactic acid and reduce the discomfort of neck suffocation. In addition, the feeling of neck swelling is also related to lymph nodes in the neck, thyroid and other diseases, it is recommended to go to the hospital for further examination and clarification.