First-aid measures: lie still on a hard bed and use pillows (or sandbags) on both sides of the waist to squeeze the block so that it moves less and quietly. Holding both knees with both hands can reduce the pain. If the diagnosis is correct, it can be relieved quickly by bed rest, medication for pain, acupuncture, physiotherapy, massage and so on. In severe cases, bed rest for 1-2 weeks is required. Tui-na manipulation is one of the effective methods to treat acute lumbar sprain. Tui-na manipulation can directly relax the muscles and release the muscle tension and spasm, strengthen the local tissue circulation, in order to achieve the effect of relaxing the tendons and activating the blood, dissolving the silt and opening the channels, loosening the adhesions and resetting the disordered small joints. Experienced doctors can achieve immediate results through manipulation. How to effectively prevent acute lumbar sprain? 1. Actively carry out functional exercises for the lumbar back, strengthen the muscles and fascia of the lumbar back, and maintain a good functional state of the lumbar back; 2. For people who work in a forced position for a long time (standing, sitting, or bending position), pay attention to their standing or sitting position, and after a period of work or study, get up, rest and relax themselves; 3. Correct some of the daily work, study and life 3, correct some bad habits in daily work, study and life, avoid bad sitting, standing and a long time a body position work, study or entertainment; 4, for heavy laborers, or heavy lifting people, pay attention to their posture is very correct, avoid bending back to bear the weight.