Narcotics in ROC can be categorized into four types and they are lited in detail in the "Narcotics Hazard Prevention Act", and different criminal liabilities are imposed according to various forms such as planting, manufacturing, transportation, trafficking, causing people to use, use, possession and transfer.

Among them, Article 9 of the Narcotics Hazard Prevention Act stipulates the term of imprisonment for "selling" narcotics, article 10 stipulates the term of imprisonment for "using" narcotics, and article 11 stipulates the term of imprisonment for "holding". Let me copy the provisions of Article 10 and Article 11 for your reference and please don't defy the law.

Article 10:
Persons convicted of using Category one narcotics shall be punished with a minimum six-month to a maximum five-year fixed-term imprisonment.
Persons convicted of using Category two narcotics shall be punished with a maximum three-year fixed-term imprisonment.

Article 11: 
Persons convicted of possessing Category one narcotics shall be punished with a maximum three-year fixed-term imprisonment, detention, or a fine of no more than three hundred thousand New Taiwan dollars.
Persons convicted of possessing Category two narcotics shall be punished with a maximum two-year fixed-term imprisonment, detention, or a fine of no more than two hundred thousand New Taiwan dollars.
Persons convicted of possessing pure Category one narcotics of more than 10 grams shall be punished with a minimum one-year to a maximum seven-year fixed-term imprisonment, and may be fined no more than one million New Taiwan dollars.
Persons convicted of possessing pure Category two narcotics of more than 20 grams shall be punished with a minimum six-month to a maximum five-year fixed-term imprisonment, and may be fined no more than seven hundred thousand New Taiwan dollars.
Persons convicted of possessing pure Category three narcotics of more than 5 grams shall be punished with a maximum two-year fixed-term imprisonment, and may be fined no more than two hundred thousand New Taiwan dollars.
Persons convicted of possessing pure Category four narcotics of more than 5 grams shall be punished with a maximum one-year fixed-term imprisonment, and may be fined no more than one hundred thousand New Taiwan dollars.
Persons convicted of possessing equipment specifically for manufacturing or using Category one or Category two narcotics shall be punished with a maximum one-year fixed-term imprisonment, detention, or a fine of no more than one hundred thousand New Taiwan dollars.