You don’t need to get the DPT vaccine at age 6 after getting the Pentavalent vaccine. Pentavalent vaccine is a combination vaccine for five diseases, including diphtheria, tetanus, whooping cough, polio, and Haemophilus influenzae type B. The Pentavalent vaccine is used to prevent the development of diphtheria and tetanus. The DPT vaccine is used to prevent diphtheria and tetanus. Therefore, the DPT vaccine is included in the preventive scope of the DPT vaccine. 4 doses of DPT vaccine according to the procedure has achieved the protective effect, and the child does not need to be vaccinated with the DPT vaccine at the age of 6 years. The advantage of DPT is that it is a combination of multiple vaccines, which reduces the number of injections from 12 to 4, reduces the crying of children caused by the injections and the adverse reactions after the injections, and at the same time provides the same level of protection as the single vaccine. Timely vaccination can effectively prevent diseases. Parents are advised to refer to the national recommended immunization schedule and ask the local community hospital for the vaccination schedule if necessary.