With the effects of warming the kidneys and transforming qi, clearing away heat and clearing away gonorrhea, Retention of Urine Capsule is able to treat lumbar and knee soreness (a feeling of soreness and weakness in the waist and knees), frequent urination, and urgency of urination. Retention of Urinary Bladder Capsule, the name of Chinese patent medicine, is composed of tonifying bone marrow, motherwort, moneywort, sea golden sand, amber, and shanzhi mushroom. It has the effects of warming the kidneys and transforming qi, 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. Retention of urine is used for retention of urine due to insufficiency of kidney qi, damp-heat stasis (accumulation of damp and heat evils to form stasis), symptoms of lumbar and knee weakness, frequent urination, urinary urgency, redness of urine, painful urination, thin urine like a thread, accompanied by abdominal constriction (body spasm and convulsion due to the feeling of wind and cold) and pain; prostate enlargement with the above symptoms can also be used this product. Individual patients may experience thirst, stomach upset, mild diarrhea and other adverse reactions after taking the drug. The contraindications of this product are not clear. Retention of urine should be taken under the guidance of a doctor, patients should not take the drug on their own to avoid adverse consequences.