In the contemporary society where coronary heart disease is highly prevalent, terms such as angina pectoris and myocardial infarction are no longer unfamiliar to everyone. Angina pectoris is judged by the following five characteristics: 1, the appearance of chest tightness and breathlessness, or the anterior or left region of the forehead (precordial area) or the stomach and epigastric region with crushing pain or vague pain, or only a tightening sensation in the throat, pain can be to; 2, each attack lasts for a few minutes, usually no more than half an hour; 3, mostly after activity, exertion, after meals, emotional excitement, sudden cold weather attacks, also 4, each attack site and pain nature is relatively fixed; 5, can be quickly relieved after taking nitroglycerin. Angina pectoris is a manifestation of myocardial ischemia and can be life-threatening if left untreated. However, accidents often come unexpectedly, if there is no emergency medicine at hand, how do we save ourselves? The answer is acupressure points. 1, Nei Guan point Location: palm up, in the middle of the two tendons on the palm side of the small arm, three fingers (index finger, middle finger, ring finger together) distance up the transverse wrist line. Method: thumb flexion, fingertip vertical skin with greater force point pressure point, point pressure to a certain depth after the thumb tip can be done in a small range of circular motion to strengthen the stimulation, that is, point kneading, each 3 minutes to 5 minutes, feeling to acid, numbness, pain, to tolerate as degree. 2, Tanzhong point Location: located in the middle of the two nipples. Method: thumb surface or the rest of the four fingers together on the finger surface to press the Tanzhong point and do rhythmic gyratory kneading, 3 minutes to 5 minutes each time, the force should not be too much, a slight sense of soreness and swelling can be. 3, to the Yang point Location: the two hands naturally down, the horizontal line of the lower corner of the scapula and the midline of the spine intersects the depression between the vertebrae that is the point to the Yang point. Method: To press this point with the assistance of a family member, take a dime or other hard plate with smooth edges, hold it with the right hand between the index finger and thumb, hold the cross edge of the coin or hard plate against the Zhiyang point and give heavy pressure, with localized soreness and swelling, for 5 minutes. In addition, patients with coronary heart disease can often press these points, which are good for preventing acute attacks of coronary heart disease and improving the prognosis, and can also have the effect of improving insomnia.