There is no difference in the dose and dosage form between the New Crown vaccine for adolescents aged 12-17 years and the New Crown vaccine for adults. adolescents aged 12-17 years should be accompanied by their parents, be informed in advance of the contraindications to the New Crown vaccine, and be vaccinated in a timely manner. The vaccine currently used in China has obtained clinical trial data for use in the population of adolescents aged 12-17 years, and there are no differences in vaccine selection, dose, dosage form, vaccination method, and vaccination site between the New Crown vaccine and the vaccine administered to adults, and the vaccine is safe and effective. The vaccine is contraindicated, and the doctor should be informed of any chronic diseases, allergies, and medications being used to determine whether the vaccination is feasible. After the vaccination, the patient should stay at the vaccination site for 30 minutes accompanied by a guardian to make sure there are no uncomfortable symptoms before leaving. For a short period of time after vaccination, it is recommended to eat a light diet, eat more fresh fruits and vegetables to ensure balanced nutrition, and avoid stimulating foods such as too spicy and cold; ensure that the vaccinated skin is clean and avoid touching water for a short period of time; ensure sufficient rest, avoid staying up late and straining, and maintain good living habits.