Cephalotaxus seed as a medicinal herb named Cephalotaxus, about the side effects and hazards of this medicine, it is still unclear. Cephalotaxus is flat and sweet in nature, and is good at entering the three channels of the lungs, stomach and large intestine, with the efficacy of moistening the intestines, moistening the lungs, relieving cough and killing worms and eliminating accumulation. It is often used in hookworm disease, ascariasis, abdominal pain from worms, lung dryness and cough, constipation, and pediatric chancre (a kind of chronic disease of children, which is characterized by wasting of the body and body, dietary anomalies, abdominal distension, and sparse and yellowish hair) and other illnesses. There is no authoritative information on the side effects and hazards of this medicine, and it is generally believed that if the medicine is used correctly, it will not cause too much harm to the human body. Clinically, Cephalotaxus is often used in combination with Jiejunzi and Neem Pi to treat ascariasis; Cephalotaxus alone, or with Guanzhong and betel nut, can treat hookworm disease; and this drug is used with pumpkin seeds and betel nut to treat tapeworm disease. In addition to intestinal dryness and constipation, can also be Cephalotaxus and Yu Li Ren, Psoralea vulgaris, cannabis kernel. If you want to moisturize the lungs and stop coughing, you can combine this medicine with Chuanbeimu and Sha Shen. Although the side effects and dangers of Cephalotaxus are not clear, it should not be used indiscriminately, and if necessary, it is recommended to use the drug under the guidance of a doctor.