There is no so-called which four kinds of people can not eat aminophylline, but aminophylline is strictly prohibited for some people, such as aminophylline allergy, active peptic ulcer patients, patients with uncontrolled convulsive disease, patients with acute myocardial infarction with a significant decrease in blood pressure. 1. People who are allergic to aminophylline cannot take aminophylline. 2. Aminophylline can cause gastrointestinal discomfort, nausea and vomiting, abdominal pain, diarrhea, so patients with active peptic ulcer can not eat. 3. Aminophylline has respiratory center excitatory effect, severe convulsions and death can occur, so it is forbidden for patients with uncontrolled convulsive diseases. In addition, aminophylline can cause arrhythmia, tachycardia, increased myocardial oxygen consumption, blood pressure drop, etc. Therefore, acute myocardial infarction with a significant decrease in blood pressure is not recommended to take aminophylline. If you do need to use the drug, you should use it reasonably under the guidance of a physician to avoid adverse effects.