Improper use of force to the waist flash in the clinical often called acute lumbar sprain, including lumbar muscles, ligaments, fascia injury, resulting in local bleeding, edema, congestion, inflammatory reaction leading to pain and dysfunction. In this case, you should brake and rest, do not let the injury continue to aggravate, protect the lumbar area to avoid cold, it is best to lie down on a hard bed for rest, need to take support symptomatic treatment, including anti-inflammatory and analgesic, blood circulation and blood stasis treatment. You can use topical Fotarin emulsion or Chinese medicine Jinhuang cream, or you can take oral diclofenac and root pain pellets, Tongluo Kaiqiao tablets to activate blood circulation and remove blood stasis, anti-inflammatory and analgesic treatment, and also physical therapy, including baking electricity, hot compresses, moxibustion, etc. to promote the recovery of local tissues. After the above recuperation and treatment, acute lumbar sprain can be fully recovered in about 2 weeks, if the effect is not satisfactory to seek timely medical attention.