Retention of urine is a kind of Chinese patent medicine, its clinical effect is affirmed, can do the identification of the application, and follow the doctor’s instructions correctly and regularly take medication, most patients have relatively good therapeutic effect. It has the effect of warming kidney and removing dampness, clearing heat and clearing drenching, activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), dispersing knots and relieving pain. It is used for retention of urine (dribbling of urine or inability to urinate) due to insufficient kidney qi and damp-heat stasis (accumulation of damp and heat evils to form stagnation). The drug can also be applied to men with prostate hyperplasia who are recognized by a traditional Chinese medicine practitioner as having the above symptoms. When the drug is applied in the above cases, it can relieve the symptoms of urinary urgency, painful urination, frequent urination, pain in the constricted abdomen (body cramps and twitching due to the feeling of wind-cold), and lumbar and knee soreness (the feeling of soreness and weakness in the lumbar area and knees). However, the drug needs to be taken with care, and individual patients may experience some adverse reactions, such as a mild feeling of thirst, stomach upset, and mild diarrhea. Consult your physician for any unusual discomfort. Patients should follow the doctor’s instructions to use the drug, not unauthorized use of drugs. If you find that the efficacy of the treatment is not good, the symptoms are not relieved, or there are other abnormalities, you need to consult a doctor for review, and adjust the medication program under the guidance of the doctor.