Pregnant women with back flash can take the following ways to recover quickly: 1. Patients should first visit the obstetrics and gynecology department of a level II or higher hospital to clarify whether the current injury has any effect on the fetus. If so, a period of fetal preservation treatment is required. 2, during the treatment period, the patient is required to maintain strict bed rest, braking rest. The patient should not be allowed to go down to the floor without permission to avoid aggravating the injury. 3. Safflower oil or Yunnan Baiyao spray can be applied to the painful area, followed by hot compresses. The above topical medications have no effect on the fetus and can be used without worry. In addition to this, some black plasters such as Zhenjiang plaster and dog skin plaster can also be used topically.4. After the symptoms are relieved, patients need to do the corresponding functional exercises under the guidance of the doctor and gradually to prevent re-torsion of the back.5. If it is very intense and conventional treatment measures are not effective, local painful point closure treatment can also be done.