1. The first patients with heart disease, hypertension and osteoporosis. Because massage can speed up the blood circulation of the human body, it is easy to cause heart disease and high blood pressure patients; while osteoporosis, due to calcium deficiency and other reasons, it is easy to cause bones to become brittle, the massage force is large, and it is particularly easy to cause fractures;
2. The second type is patients with local skin damage, ulcers, bleeding, tuberculosis, and tumors;
3. The third type is that people who are hungry, full, drunk, or over-tired should not use massage chairs immediately. They should make appropriate adjustments to rest before soothing massage.
4. Children should not use massage chairs.