Flash to the waist generally refers to acute lumbar sprain, the patient can take non-steroidal anti-inflammatory analgesic drugs or take blood circulation and eliminate blood stasis of Chinese medicine for treatment. 1. Non-steroidal anti-inflammatory and analgesic drugs: after flashing to the waist can take non-steroidal anti-inflammatory and analgesic drugs, such as etoricoxib tablets, celecoxib capsules or diclofenac sodium enteric-coated tablets, etc., which can play a role in anti-inflammatory and analgesic, but the drug should not be used for a long period of time or a large number of patients with gastrointestinal tract ulcers, hepatic and renal insufficiency, allergies and other patients should be used with caution. 2. Proprietary Chinese medicines for activating blood circulation and removing blood stasis: medicines for activating blood circulation and removing blood stasis can be taken, such as Shujin and Sanqi tablets for adjuvant treatment; topical creams and pastes, such as Lofen Babu Paste and Indomethacin Babu Paste, can promote local blood circulation and promote the recovery of the damaged soft tissues. However, pregnant women, active bleeding, postoperative patients should be used with caution. After the flash to the waist need to use drugs under the guidance of the doctor, not blindly self-medication, so as not to delay the condition.