Some physiological parameters of the body can be measured at any time.
Then send the information to the instrument.
After analysis, I can give you a health suggestion suitable for your physical characteristics.
For example, diet, work and rest, especially what kind of health care products you are advised to take, can regulate your physiological state. Long-term use will help everyone, but it will not be shown in a short time.
This kind of company sells your instruments, and the most important thing is to do your post-service well, that is, let you buy their products.
Choosing such a company to identify brands is what many well-known domestic pharmaceutical companies are doing.
Think about it.