The causes of 1+ occult blood in urine are divided into physiologic and pathologic. Physiological causes will usually return to normal after removing the relevant factors. Pathological ones include urinary system inflammation, urinary system stones, urinary system tumors, etc. According to the cause of the disease, general treatment, drug treatment or surgical treatment, chemotherapy, radiotherapy, etc. can be chosen. Physiological: Occult blood in urine may appear after women’s menstrual period when menstrual blood contaminates the urine and after strenuous exercise; it usually disappears after menstrual period or after resting, and usually requires no treatment. Pathological: including urinary system inflammation, urinary system stones, urinary system tumors and so on. Inflammatory diseases of the urinary system, such as pyelonephritis and cystitis, may cause occult blood in urine. After diagnosis, anti-inflammation and anti-infection should be carried out as soon as possible, and levofloxacin and cefixime can be taken orally. Urinary stones such as bladder stones, ureteral stones, etc., smaller stones can be treated with lithotripsy, commonly used drugs such as tamsulosin, etc.; larger stones are mostly treated with surgery. Tumors in the urinary system, such as bladder cancer and kidney cancer, may cause occult blood in urine. Early stage can be treated by surgery, and after surgery, it will be decided whether radiotherapy or chemotherapy is needed according to the pathology and personal situation. Besides, patients with nephritis may also have 1+ occult blood in urine. The treatment of nephritis is based on dietary treatment, lowering blood pressure and proteinuria (valsartan, captopril, etc.), hormones such as prednisone and immunosuppressants (cyclophosphamide, cyclosporine, etc.). All of the above medications should be used as prescribed by the doctor. Urine occult blood 1 +, it is recommended to go to the doctor in time, under the guidance of a professional physician to improve the relevant examination, to clarify the cause of the disease, timely treatment.