It takes at least three weeks to recover from a lumbar muscle strain. After a lumbar muscle strain, the muscle fibers will break and there will be local swelling and pressure pain. If the injury is more serious, most of the muscle fibers will break, which will affect the flexion, extension and rotation of the lumbar spine. So after the occurrence of lumbar muscle strain, the first need to use ice packs to reduce swelling and relieve pain. Ice time should not be too long, 20 minutes, intermittent 5-6 times, 48 hours later can be changed to hot compress, towel or warm water bag, a half hour, twice a day, can improve local blood circulation, is conducive to reduce swelling and pain. At the same time, follow the doctor’s advice to take oral blood painkillers, combined with the spray of topical drugs, through recuperation, muscle strains can be fully recovered in about three weeks. In short, the lumbar muscle strain after the need to pay attention to, need to bed rest, avoid the ground activities, recovery should pay attention to the amount of exercise should not be too much, to avoid re-strain.