The hazards of parahydroxyacetophenone are divided into chronic and acute hazards, parahydroxyacetophenone is a hepatobiliary drug, and is also used in the chemical industry, a small amount of use can play a therapeutic role, when a large number of use may be harmful, such as chronic hazards. If long-term repeated exposure to this drug, there will be the possibility of blood diseases, the more common is leukemia. Acute harm is the patient’s local mucous membrane will have a more obvious irritating effect, will be on the respiratory tract, eyes and skin damage, causing cough, cough phlegm, eye conjunctival damage, eye vision loss or the possibility of skin diseases. Considering the danger of this kind of drug, it is better to take this kind of drug under the guidance of a doctor, and not to be exposed to this kind of drug for a long time.