The role and efficacy of p-hydroxyacetophenone are mainly considered as follows: 1, raw materials for drugs: It can be used for the production of biliary drugs, as well as raw materials for organic synthetic items. In animal experiments, p-hydroxyacetophenone can promote the secretion of bile in rats, and at the same time can increase the amount of bilirubin and bile acid excretion in bile, and has the same effect on certain liver injuries. Therefore, when used in small amounts clinically, it can be used for the adjunctive treatment of acute and chronic jaundice type hepatitis, cholecystitis, etc. 2, spices, raw materials for preservatives: p-hydroxyacetophenone is also used in the synthesis of some spices, and can also be used as a preservative. This product has a certain therapeutic effect in small amounts, but large amounts may cause some damage. Large amounts of use can easily cause acute damage, including the irritation of local mucous membranes, irritation of the skin, respiratory system, chronic, long-term use may even lead to diseases of the blood system, such as the occurrence of leukemia.