The effects of ume are astringent to the lungs, astringent to the intestines, as well as promoting the production of fluids and stabilizing roundworms to temporarily relieve pain. Umei is the nearly ripe fruit of the prunus, which is concocted into the Chinese medicine ume, which is sour, astringent, and flat in nature, and enters the meridians of the liver, spleen, lung, and large intestine. As a kind of Chinese medicine, it has the effects of astringing the lungs to stop coughing, astringing the intestines to stop diarrhea (relieving diarrhea by enhancing the intestinal astringency), generating fluids to quench thirst (promoting the production of fluids to quench thirst), and restraining roundworms. Umei can be used to treat prolonged cough due to lung deficiency, prolonged diarrhea, prolonged dysentery, thirst due to deficiency heat, and can also be used to treat vomiting and abdominal pain caused by ascaris lumbricoides. The adverse reactions and contraindications of umeboshi are not clear at present. Chinese medicine is recommended to be used under the guidance of a professional Chinese medicine practitioner’s diagnosis, and individuals should not use it blindly to avoid adverse consequences.