Suddenly flashing to the waist is very painful and clinically known as acute lumbar sprain. At this time, the patient should carry out short-term braking and stop all movements to relieve the pressure on the waist, and then carry out further relief through general treatment, drug treatment and Chinese medicine treatment: 1, general treatment: within 48 hours of lumbar sprain, cold compresses should be applied to the injured part and attention should be paid to bed rest, which is conducive to reducing the bleeding of the sprained part and the trauma reaction, and can also relieve pain. 48 hours later, hot compresses can be applied, which is conducive to Blood circulation, promote blood circulation, can help the sprained part of the blood flow; 2, drug treatment: can choose with analgesic, anti-inflammatory effect of non-steroidal anti-inflammatory drugs, such as ibuprofen, acetaminophen for treatment, for the sprained pain is intense and accompanied by muscle cramps patients, can also use procaine for local closed treatment, can help patients reduce pain, promote recovery. In addition, you can also use the blood pain cream, blood ointment and other plasters, or use orthopedic water, safflower oil with massage for treatment; 3, Chinese medicine treatment: common such as acupuncture, massage, massage, cupping and other ways to help the misaligned muscles, tendons and bones back in place, pay attention to this type of Chinese medicine treatment methods need to be carried out with the help of professional physicians, to prevent their own improper approach to aggravate the condition. After the pain is relieved, appropriate functional exercises for the lumbar back muscles can be carried out to enhance the strength and flexibility of the lumbar muscles. At the same time, pay attention to the maintenance of the lumbar region in daily life, do not suddenly stand up or straighten the waist after long standing, sitting or squatting to avoid lumbar sprain.