The vaccine does not cause moles to increase in number, but you should consider your own reasons for the increase, and consult a doctor for examination. The main ingredient of the vaccine is inactivated Coronavirus, which does not contain any ingredients that can affect the skin and cause moles to increase in number. Therefore, the vaccine does not cause moles to increase in number, and there is no necessary connection between the two. The main reason to consider this is that it is caused by your own reasons, such as heredity, developmental defects, ultraviolet radiation, hormone level changes, etc., which can cause such changes. It is necessary to consult a doctor in time for examination, and according to the different causes of the disease to take treatment measures for the original disease, such as colorless nevus for autologous epidermal transplantation, and so on. It is recommended to consult a doctor in time, subject to the doctor’s opinion.