Why did Hengdaxing send me a text message for the medical examination appointment?

Hengdaxing science and technology medical examination appointment sends a text message to inform you of the medical examination. Now hospitals are becoming more and more intelligent. Generally, people who make an appointment for a medical examination will get some pure notification information, such as verification code, successful appointment, medical attention and so on. It will also inform users of the time, place and results of physical examination, and will also let users evaluate hospital services through SMS.