The schedule of self-funded vaccination is as follows: 1. varicella vaccine is given in childhood, usually after one year of age; 2. pneumonia vaccine is optional for babies with poor immunity and more high-risk factors at birth, and needs to be given after 2 years of age; 3. Haemophilus influenzae B conjugate vaccine is given once a month or two months apart from 3 months of age in infancy, and needs to be given three times in total, at 18 4.Oral rotavirus vaccine, once a year between the age of 2 months and 3 years after birth; 5.Hepatitis A vaccine, once between the age of 18 months and 24-30 months after birth, with an interval of more than 6 months between the two shots.