1. People with serious or chronic diseases: If you have serious or chronic diseases, you should first seek the opinions of medical professionals and treat and manage them according to their guidance. Mai Jiaxin's life energy meter may interfere with routine medical treatment.

2. Pregnant women: Pregnant women should be especially careful to use any instruments that have not been scientifically verified and avoid using such instruments.

3. Electronic implants or medical devices: If you have implanted electronic devices (such as pacemakers, hearing AIDS, etc.). ) or other medical equipment, should avoid using Mai Jiaxin's life energy meter, so as not to interfere with the normal function of these equipment.