1, online query. Official website of Shenzhen Social Security Fund Administration can be directly searched online. After clicking enter, you can see the title of "Children's Medical Insurance Inquiry" on the home page. You can inquire about children's medical insurance after entering personal information according to the website prompts.

2. Telephone inquiry. The hotline of Shenzhen Social Security Fund Administration is "0755-83460353". You can follow the voice prompts after dialing, but you should pay attention to avoid the peak hours of the hotline.

3. Window query. If parents are close to the service hall of Shenzhen Medical Insurance Bureau, they can also directly bring the original household registration book, children's medical insurance card and other related materials to the service hall of Shenzhen Medical Insurance Bureau for window inquiry. The address of the service hall of Shenzhen Medical Insurance Bureau is Haitian Building, No.2038 Caitian South Road, Futian District.