If the back pain and kidney pain are caused by overexertion, it is recommended to pay attention to rest, avoid overexertion at night, and avoid eating some high-protein food. The most common causes are urinary tract stones, urinary tract infection and kidney tumor. The most common causes are urinary tract stones, urinary tract infections and kidney tumors. If the pain is caused by urinary tract stones, the pain is usually obvious when the stones are active. If the infection is caused by urinary tract infection, it is usually accompanied by chills, fever, frequent urination and urgent urination, etc. Antibiotics should be applied to treat the pain. If it is caused by tumor, surgery is needed to relieve the pain if necessary.