The cause of lumbar fossa pain needs to be clarified and different treatment plans should be determined for different causes. If the lumbar fossa pain is caused by lumbar muscle strain, it can be considered with the application of tendon relaxation, blood circulation and stasis removal drugs as well as local hot compresses, massage and physiotherapy, etc. can be relieved. If the pain in the lumbar fossa is caused by lumbar disc herniation and lumbar degeneration compressing the nucleus pulposus, it is necessary to go to the orthopedic department of the hospital and perform massage and massage treatment with the professional help of the doctor. If the pain is caused by urinary system diseases, including urinary stones and inflammation of the urinary tract, you need to go to the urology department of the hospital and have urinary ultrasound and routine urine examination to clarify the problem and then take medications to clear heat, dampness and laxative. If the stone is more than 1cm, Holmium laser lithotripsy or surgery should be considered, and more rest and more water should be taken.