Aminophylline and Dosophylline have different ingredients, different effects, different contraindications, etc. 1. Different components: the main component of aminophylline is aminophylline, and the main component of doxophylline is doxophylline. 2. Different roles: aminophylline is mainly used for the treatment of bronchial asthma and cardiogenic pulmonary edema caused by asthma, but also for the treatment of wheezing bronchitis, obstructive pulmonary emphysema and other diseases caused by wheezing symptoms. Dosophylline is mainly used for the treatment of bronchial asthma, wheezing chronic bronchitis and other bronchospasm caused by dyspnea. 3. Different contraindications: Aminophylline is contraindicated in people who are allergic to theophylline, allergic to the product, active peptic ulcer, uncontrolled convulsive disease, and acute myocardial infarction accompanied by a significant decrease in blood pressure. Doxophylline is contraindicated in people who are allergic to doxophylline or xanthine derivatives and in people with acute myocardial infarction. Patients who need to use the drug, must first consult a doctor to check under the guidance of the doctor to use, avoid unauthorized use of drugs.