1. Bad lifestyle: such as smoking, excessive drinking, bad eating habits (overeating, high-fat, high-sugar and low-fiber diet, partial eclipse, picky eaters, eating snacks, liking to heat or smoke food at high temperature for a long time, eating too fast, overheating, being too hard, being too sour, etc. ) and lack of physical exercise.
2. Pathogenic behavior pattern: it is a behavior pattern that leads to specific diseases. There are many researches on behavior patterns that lead to specific diseases at home and abroad, such as type A behavior patterns and type C behavior patterns.
3. Bad disease behaviors: suspecting illness, avoiding illness, being afraid of illness, not seeking medical treatment, not seeing a doctor in time, not being allowed to follow doctor's advice, praying to God and worshiping Buddha, giving up on oneself, etc.
4. Violation: such as drug abuse and sexual promiscuity.