Symptoms of paroxysmal angina include anterior heart pain, tightness, constriction in the anterior region of the heart, and epigastric discomfort. Angina attacks are caused by insufficient blood supply to the coronary arteries due to narrowing of the coronary arteries, which triggers severe pain in the chest. Most of the angina is paroxysmal, under the effect of certain triggers, such as fatigue, emotional fluctuations, or even stool, the attack of angina after the duration of about 3-5 minutes, rest for a few moments or contain the drug can terminate the symptoms of angina, so it is called paroxysmal angina. Paroxysmal angina is characterized by anterior heart pain, tightness, constriction in the anterior heart area, epigastric discomfort, and radiating pain to the left shoulder and left arm. If the frequency of paroxysmal angina attacks increases, and the symptoms of pain become more and more intense, this situation to determine whether the occurrence of acute coronary syndrome, if the duration of a time is more than 20 minutes, and still can not alleviate the symptoms, it is necessary to immediately go to the hospital for electrocardiography, myocardial enzymology examination, to clarify whether the occurrence of acute myocardial infarction. Symptoms of paroxysmal angina include precordial pain, stuffiness, tightness in the precordial area, and epigastric discomfort. When treating paroxysmal angina, patients should be treated accordingly under the guidance of a doctor.