Table 1.

Different drug classification/schedules in Taiwan and Korea

	Taiwan	Korea
Schedule/classification rule	The drugs are classified into four schedules according to their potentials of addiction, abuse, and harm to society	1. Narcotic Drugs (3 categories) 2. Psychotropic Agents (4 schedules) 3. Cannabis 4. Precursor chemicals(2 categories)
Examples	1. Schedule I: heroin, morphine, cocaine, opium 2. Schedule II: amphetamine, cannabis, methamphetamine, MDMA, methadone 3. Schedule III: flunitrazepam, ketamine 4. Schedule IV: lorazepam、zolpidem	1. Narcotic Drugs: (1) I (natural narcotic): opium (2) II (alkaloid):morphine, heroin, cocaine (3) III (synthetic chemical): methadone 2. Psychotropic: (1) I:methamphetamine (2) II: ketamine, amphetamine (3) III: Thiopental (4) IV: Propofol 3. Cannabis 4. Precursor chemicals: I: Ephedrine II: Piperidine