Gum is not good for urinary occult blood, it is recommended that patients with urinary occult blood to improve the relevant examination in a timely manner to clarify the cause of the disease for targeted treatment. Colla Corii Asini belongs to a Chinese medicine, has the effect of tonifying blood and nourishing yin, moistening dryness and stopping bleeding. It is mainly used in the treatment of blood deficiency, dizziness and palpitations (rapid heartbeat, often accompanied by panic), muscle impotence and weakness, heartburn and insomnia, lung dryness and coughing, coughing and haemoptysis, vomiting and urination of blood, blood in the stools and leakage of blood (excessive menstruation or more than a few drops), and pregnancy leakage of the fetus (small amount of vaginal bleeding in the early stages of pregnancy), and so on. Caution should be exercised if the spleen is deficient in loose stools. Occult blood in urine is commonly caused by urinary tract infection, urinary stones, urinary tumors, kidney diseases, etc. It is necessary to improve the urine routine, urine erythrocyte morphology, urinary ultrasound, puncture biopsy and other tests to clarify the cause of the disease, and then targeted medication or surgical treatment. It is recommended that patients do not blindly use drugs to treat urinary occult blood, to actively cooperate with the doctor’s examination to clarify the cause of the disease, and comply with the doctor’s instructions standardized medication.