In order to achieve the effect of strengthening bodybuilding and muscle building, some gyms illegally sell and use some illegal drugs such as steroids to enhance the exercise effect. Assimilatory steroids (AAS), hormones, diuretics, others (such as Sislon). Steroids can accelerate the assimilation of the body and increase muscles at the fastest speed. When steroids enter the human body, blood will bring them into muscle fiber cells. At this point, the receptor on the muscle fiber cell will attach steroids to the cell wall. Then the receptor on the cell continuously transports steroid hormones into the cell molecules, so that steroids interact with DNA in the cell; Accelerate the synthesis of protein, so that the size and strength of muscles will increase.

The Detailed Rules for the Implementation of the Regulations on the Administration of Medical Institutions and the meaning of the following terms in Article 88 of these Detailed Rules: Diagnostic and therapeutic activities refer to the activities of judging and eliminating diseases, relieving illness, alleviating pain, improving functions, prolonging life and helping patients recover health through various examinations, using drugs, instruments and surgery. The pharmaceutical supervisory and administrative departments of the people's governments of provinces, autonomous regions and municipalities directly under the Central Government shall be responsible for the pharmaceutical supervisory and administrative work within their respective administrative areas. The departments responsible for drug supervision and administration of the people's governments at the city or county level divided into districts (hereinafter referred to as drug supervision and administration departments) shall be responsible for drug supervision and administration within their respective administrative areas. The relevant departments of the local people's governments at or above the county level shall be responsible for drug supervision and administration within the scope of their respective duties.