1, open WeChat.
2. Click on the Health Dongying Service Phone.
3. Click on the electronic health card.
4. Enter my electronic health card.
5. Click Security Settings.
6. Click on Personal Information.
7. Enter a new mobile phone number, and then click Save.
Healthy Dongying is a health service platform specially built for Dongying people! With it, users can make online appointments for registration, medical treatment, report inquiry, payment and so on. Simple and convenient to use, and rich health knowledge to share.