On the iPhone, navigate to [Settings] >> [Health] >> [Data Access & Devices] >> [Mi Home/Xiaomi Home] APP, enable the permission of weight, body fat rate, height and body fat index. If the permission is not enabled, the data cannot be synchronized. After opening, the newly measured data will be automatically synchronized to Apple Health, and only the data of the current master account will be synchronized.
Note:
The data supporting to be synchronized to Apple Health: weight, body fat rate, height and body fat index.