The occurrence of cancer is related to physical condition, age and other factors, there is no “long-term point of wormwood will cause cancer”, wormwood is a Chinese herb, it is not recommended to light fumigation for a long time. Mugwort is a plant of the Asteraceae family, and its leaves are used as medicine, called mugwort leaves. Mugwort is pungent, bitter, warm, but has a small poison, attributed to the liver, spleen, kidney meridian. Mugwort has the effects of warming menstruation to stop bleeding, dispersing cold to relieve pain, regulating menstruation to stabilize the fetus, and dispelling dampness and relieving itching when used externally. Ai Ye is mainly used for the treatment of cold bleeding, especially women’s lower element of cold caused by non-menstrual bleeding, excessive menstruation, cold abdominal pain, menstrual pain, menstrual disorders, fetal restlessness, etc., decoction of water for external use can be used to treat eczema and itching scrub. Mugwort leaves have a small poison, after ignition of its overflow, emitting oil is toxic, can cause skin burning, redness; oral consumption will stimulate the stomach and intestines, poisoning, resulting in yellowing of the skin, eyes, and so on. If you need it, please go to a regular doctor for consultation and use; if you have uncomfortable symptoms, it is recommended that you actively seek medical advice, do not take medication without authorization, so as to avoid accidents such as drug-induced illnesses.