Aminophylline is generally not recommended for nebulized inhalation therapy in clinical practice, the main use of oral preparations, intravenous drip and intravenous injection of the drug is still given in the way, at present, aminophylline in clinical use in the treatment of the drug blood concentration and the poisoning of the drug blood concentration is very close. So in the clinical use of the process must pay attention to the use of the dose and concentration of the drug, generally do not choose the nebulized inhalation treatment, mainly used for the treatment of asthma, such as bronchial asthma, wheezing bronchitis, chronic obstructive pulmonary emphysema, and cardiogenic asthma caused by a variety of reasons, the patient appeared to wheeze, shortness of breath, chest tightness, shortness of breath and other symptoms of respiratory distress to improve, but clinically did not use the nebulized inhalation way to treat. inhalation for treatment.