Neuralgia on the left side of the buttock in mid-pregnancy can be relieved by resting, adjusting sleeping position, strengthening exercise, hot compress or massage. 1. Proper rest: Avoid taking certain standing or sitting positions for a long time. By resting properly, the pain caused by this forced position can be relieved. 2. Adjust sleeping position: As the weeks of pregnancy increase, the belly gets bigger and bigger, and the buttocks get more and more painful, then you need to adjust the sleeping position. The most suitable position is the side lying position, preferred left side lying position. The left side of the buttock pain, consider the compression of the left sciatic nerve caused by the right side of the lying position to try. 3. Strengthen the exercise: After pregnancy, estrogen and relaxin levels rise, and pelvic relaxation can cause or aggravate pain to varying degrees. Pelvic exercise can be strengthened, through the exercise of muscles and ligaments, to reduce the state of too much laxity. Such as yoga, Pilates, swimming or water exercises, etc., need to be carried out under the guidance of a professional doctor. 4. Hot compresses or massage: you can take a hot bath, local hot compresses, and massage. For persistent pain, please consult your doctor for expert help.