Shrinking Spring Pill is a proprietary Chinese medicine with the efficacy of tonifying the kidney and shrinking urine, and the side effects are not clear. Shrinking Spring Pill contains three ingredients: yam, aconite, and yizhen, of which yam has the efficacy of benefiting qi and nourishing yin (tonifying qi and nourishing yin), tonifying the spleen, lungs and kidneys, and consolidating essence and stopping leucorrhea; aconite works to relieve qi and pain (relieving pain by regulating qi in the human body), and warms up the kidneys and disperses cold (warming the kidneys to dispel the evil spirits of cold); yizhen warms up the kidneys to shrink urination and consolidate essence, and warms the spleen to stop diarrhea (alleviating diarrhea by warming up the spleen) to regulate salivation. The combination of these three ingredients makes Shrinking Spring Pill have the effect of tonifying the kidneys and reducing urination, and it is suitable for frequent urination in kidney deficiency and nocturnal enuresis. The side effects of Shrinking Spring Pill are not clear, and those who are allergic to the ingredients of this medicine are forbidden to use it. It is also not suitable for people with fever and cold. When using the drug, the diet should be light, avoid spicy, cold, greasy food, use the drug for 2 weeks if there is no improvement, go to the hospital in time. Shrinking Spring Pill should not be used privately, and must strictly follow the doctor’s instructions or drug instructions.