Is laughing gas illegal in China?

Nitrous oxide and nitrous oxide, according to relevant laws and regulations, are not drugs, but listed in the Catalogue of Hazardous Chemicals. The sentence for inhaling nitrous oxide is because nitrous oxide is very harmful to society.

Article 38 of the Regulations on the Administration of Precursor Chemicals: Whoever, in violation of the provisions of these Regulations, produces, deals in, purchases or transports precursor chemicals without permission or filing, falsifies application materials to defraud the license for the production, trading, purchase and transportation of precursor chemicals, or uses others or forged, altered or invalid licenses to produce, trade in, purchase or transport precursor chemicals illegally. The raw materials used for the illegal production of precursor chemicals and the equipment and tools illegally produced, managed, purchased and transported shall be confiscated by the public security organs, and a fine of not more than 20 times the value of precursor chemicals illegally produced, managed, purchased and transported 10 yuan shall be imposed. If the value less than 20 times is less than 10000 yuan, a fine of1shall also be imposed. Illegal income, confiscate the illegal income; If there is a business license, the business license shall be revoked by the administrative department for industry and commerce; If a crime is constituted, criminal responsibility shall be investigated according to law. Within three years from the date of making the decision on administrative punishment, the relevant administrative departments may stop accepting applications for production, operation, purchase, transportation or import and export licenses of precursor chemicals.