1, 2 kg of wheat bran and 2 kg of white vinegar. Put the wheat bran into an iron pan, stir it with white vinegar, heat it and fry it with medium heat. Pay attention when adding vinegar, and knead it into a ball with your hands. Sew a small bag with breathable cloth in advance. When the wheat bran is heated to about 60 degrees, take it out of the pot and put it in a bag. The patient lies on his back and puts the bag under the cervical vertebra twice a day, which can be used repeatedly.

2. Precautions: The temperature of wheat bran fried vinegar hot compress should be well controlled, and the temperature can be moderate, and the outside can be wrapped with cloth. Control the hot compress time, generally keep it within half an hour, and avoid sensitive parts of the body. Generally, hot compress is mainly used for waist, back and limbs.