The full name of the New Crown Vaccine CHO Cell is Recombinant Novel Coronavirus Vaccine (CHO Cell), and the CHO Cell vaccine requires 3 doses to complete the vaccination schedule. The New Crown CHO cell vaccine is currently indicated for new crown susceptible individuals 18 years of age or older and is a 3-dose vaccine against the new crown virus. Try to complete the 2nd dose within 8 weeks after receiving the 1st dose, and try to complete the 3rd dose within 6 months after receiving the 1st dose, and the interval between adjacent doses should be greater than 4 weeks. If you are in the acute stage of illness, fever, etc., you should hold off on the vaccination and continue until your condition is under control. Try not to have an empty stomach before the vaccination, and avoid taking any recent medication, and inform the doctor if you have taken any medication. After the vaccination, you need to stay in the hospital for 30 minutes, and notify the doctor if you have any discomfort during the period of observation. After the vaccination, you should not be careless, and still need to take protective measures, such as proper masks, hand washing, timely disinfection and maintain social distance.