Jaw pain can occur in the following situations: 1, trauma, such as jaw by the impact of external forces or impact pain, if the pain is very painful you can eat painkillers. 2, mental fatigue, stress, daily life inappropriate habits and behavior can also cause pain, long time mental tension or stress joints will be affected, so that the pain. 3, lymph node inflammation, if the pain accompanied by swelling of the jaw, it may be caused by inflammation of lymph nodes, you can use anti-inflammatory drugs to relieve the pain. If the pain is accompanied by swelling of the jaw, it may be caused by inflammation of the lymph nodes, which can be treated with anti-inflammatory drugs to relieve pain. Pain in the jaw can affect your daily life and should be treated in a timely manner. It is also important to develop good habits and to relax a little after a long day at work.