Drug control refers to the work of preventing and punishing drug crimes, protecting citizens' physical and mental health and maintaining social order. In other words, it is a social custom reform work to use the power of administrative decrees and mass supervision to urge people who smoke or inject opium and substitute narcotics to quit their addiction, and to restrict and prohibit the cultivation, storage, manufacture, transportation and sale of drugs and appliances.

The main manifestations of drug harmfulness:

1, seriously endangering people's physical and mental health.

2. The drug problem induces other illegal crimes and destroys the normal social and economic order.

3. The drug problem permeates and corrodes political institutions, which aggravates corruption.

The drug problem has caused great economic losses to the society.