The side effects of epinephrine are as follows: 1, there will be obvious arrhythmia, because epinephrine can activate the alpha receptor of epinephrine, so it can make the patient’s heart beat too fast, myocardial oxygen consumption increases, the contraction of the heart strengthens, and this will appear the performance of ischemia and hypoxia of cardiac muscle cells. 2, patients due to epinephrine application after the receptor overexcitation, but also lead to vasodilation of the coronary arteries, causing skeletal muscle and The patient may experience significant abdominal pain, nausea, vomiting, acid reflux, heartburn, nausea and other digestive system effects. 4. neurological side effects, such as dizziness, headache, blurred vision and even transient disorders of consciousness.