Han Li, 16, came to Beijing from Hebei two years ago to study. Han Li accidentally learned that a certain cough suppressant had hallucinogenic effects on social platforms.

"OD" has become a buzzword in specific teen circles, and a small number of adolescents become mentally paralyzed through overdose, including many drug addicts. Drug abuse is defined as repeated use of drugs with large-scale use for non-medical purposes, bringing serious health and public health problems, according to former State Food and Administration.