I. To prevent TMJ disorder, please reduce the muscle tension around the joint 1. Mood must be relaxed, research has proved that psychological factors play a significant role in causing TMD, if you have a lot of stress and anxiety in your life, please make sure to relax yourself, only then you will not get the disease. 2. professionally guided bite, learn when to clench your teeth, practice keeping your teeth apart, and only bite your teeth together when swallowing or eating. Just like when you drive, avoid clenching the steering wheel with both hands. Your teeth should not be clenched too often either. 3. Don’t overuse and compress your jaw muscles. Avoid chewing gum regularly, biting your nails, holding your chin in your hands, and pressing the phone between your shoulder and jaw to make a phone call. 4. Change your eating habits. It is generally recommended to eat soft foods and use both sides of your mouth to chew food. Avoid eating hard or chewy foods such as popcorn, apples, carrots, hard bread, toffee, peanuts, etc. 5. Maintain a good jaw posture position as much as possible. Bad posture may disturb the normal arrangement of facial bones and muscles, and cause pain. Second, TMD self-rehabilitation 1, joint area hot compress, hand warmers or hot water bags wrapped in a soft large towel, wet hot towel can improve joint function and reduce pain, of course, must be careful to avoid local burns. 2, local ice, ice packs can reduce inflammation, but also numb the pain and promote healing. Do not place ice packs directly on the skin. Ice bags wrapped in a clean cloth outside, do not use ice bags for more than 10 to 15 minutes. 3. Soft food, remember to eat soft food to give your jaw a temporary rest. Remember to avoid hard, crunchy, chewy foods. Do not stretch your mouth to accommodate this food, such as corn on the cob, apples, or whole fruits. 4. Over-the-counter pain medications, for many people with TMJ disorders, short-term use of over-the-counter pain medications or non-steroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen, can bring temporary relief to joint discomfort. If necessary, your dentist or doctor can prescribe stronger pain or anti-inflammatory medications, muscle relaxants, or antidepressants to help relieve symptoms. 5. Oral exercises, slow and gentle jaw exercises can help increase jaw mobility and healing. A rehabilitator or physical therapist can assess your condition and recommend exercises appropriate to your individual needs. 6. Relaxation activities and relaxation exercises can reduce the pain of TMJ dysfunction. Deep, slow breathing enhances relaxation and reduces the sensation of pain. In recent years, some people have found that yoga, massage and meditation to reduce stress and help relaxation has helped. 7.Sleep on your side, with a pillow supported between your shoulders and neck to sleep on your side. 8, relax the muscles of the face. Make a concerted effort to relax your lips and keep your teeth apart. 9, yawn, use your fist to support your jaw, you yawn to prevent damage to the joints and prevent your jaw from dislocating. Open it gently and close it gently. 10, Try to avoid holding the phone, which may irritate the jaw and neck muscles.