This kind of application can transmit data to electronic scale, which contributes great help to a healthy life. Users can easily manage their own personal health data anytime and anywhere. Key functions: 1. Data transmission from software to scale through Bluetooth. 2. Automatically transmit and save personal health data. 3. Automatically judge the standard of personal health data. 4. Automatically create personal health data graphs. 5. Support saving health data to Apple's health kit 6. Suppor