Introduction and background introduction, the abuse and harm of laughing gas, the abuse and harm of laughing gas.

1. Briefly introduce the purpose and importance of nitrous oxide training in Internet cafes, and provide the basic knowledge of nitrous oxide and the harm of its abuse.

2. Describe the ways and common abusers of laughing gas, and emphasize the physical and mental health problems that may be caused by abusing laughing gas.

3. Provide specific measures and steps for drug control in Internet cafes, including installing monitoring equipment and strengthening personnel training, emphasizing the responsibility of Internet cafes as public places, and actively preventing and combating the abuse of nitrous oxide.