Risk factors and causative factors for coronary heart disease include modifiable risk factors and non-modifiable risk factors. Understanding and intervening risk factors can help the prevention and treatment of coronary heart disease. 1. Modifiable risk factors include: hypertension, dyslipidemia (high total cholesterol or high LDL cholesterol, high triglycerides, low HDL cholesterol), overweight/obesity, hyperglycemia/diabetes, poor lifestyle including smoking, unreasonable diet (high fat, high cholesterol, high calories, etc.), lack of physical activity, excessive alcohol consumption, and psychosocial factors. 2, Non-modifiable risk factors are: gender, age, and family history. In addition, associated with infections, such as cytomegalovirus, Chlamydia pneumoniae, Helicobacter pylori, etc. 3.The onset of coronary heart disease is often associated with seasonal changes, emotional excitement, increased physical activity, full stomach, heavy smoking and alcohol consumption.