The main efficacy and effect of Wu Mei Pill is to warm the organs and tranquilize roundworms. The main drug composition of Wu Mei Pill includes Wu Mei meat, pepper, fine Xin, Huang Lian, Huang Bai, Gan Jiang, Radix et Rhizoma Pinelliae, Gui Zhi, Radix et Rhizoma Ginseng, Radix Angelicae Sinensis, etc., which is good for clearing up and warming the upper and lower parts of the body, and regulating the qi mechanism. The main effect is to warm the viscera and tranquilize roundworms. It is mainly used for treating the syndrome of roundworm with cold in the organs. It is mainly used for paroxysmal pain in the epigastrium (abdomen), vexation and vomiting, which occurs and stops at times, vomiting when getting food, or even vomiting roundworms, with cold hands and feet; or prolonged diarrhea and dysentery. Adverse effects and precautions for use of Umei Pill have not been recorded in the textbook. If there is any discomfort, it is recommended to go to the hospital in time, do not blindly self-medication, so as not to affect the health of the body.