You can check whether you have received chickenpox vaccine through online and offline channels. To check whether you have received the chickenpox vaccine, first of all, you can through the network channels, such as Alipay, WeChat public number, etc. At present, most of the regions have already realized the synchronization of the relevant information network. After logging in and binding your personal information, you can check the specific type of vaccine you have received, the time of vaccination and other information. In addition, you can also check offline, especially the medical and health institutions that have been vaccinated before, usually the relevant text of the vaccination information will be retained. You can bring your ID card and other items with you to the healthcare institution to make an inquiry, which is usually complete. If both methods are not available, you need to consult the local CDC and other relevant organizations.