Frequent heart stabbing pain may be a symptom of myocardial ischemia, considering atherosclerosis caused by coronary artery lumen stenosis, the specific causes are as follows: 1, hyperlipidemia is the most common cause, most of them are related to gluttonous greasy food, sedentary, excessive intake of greasy food will lead to elevated blood lipids, elevated blood lipids will lead to the formation of plaque in the inner wall of blood vessels, resulting in narrowing of the vascular lumen causing heart stabbing pain; 2, long-term hypertension will damage the heart and blood vessels, will also lead to narrowing of the vascular lumen or insufficient blood supply to the myocardium cause heart stabbing pain; 3, diabetes will lead to fat metabolism disorders, over time will also appear atherosclerosis caused by narrowing of blood vessels lead to heart stabbing pain; 4, long-term smoking groups is due to tobacco within the toxic substances stimulate blood vessels, will lead to vascular spasm caused by myocardial ischemia heart stabbing pain; 5, obese people is due to Slow blood circulation leads to heart stabbing pain caused by lack of oxygen to the heart muscle.