Compound ipratropium bromide solution is mainly an inhalation agent most commonly used for bronchodilation, relieving contraction and spasm of bronchial smooth muscle. It is a compound of a western drug, the main component of which contains ipratropium bromide as well as salbutamol sulfate. The formula of this western medicine can accelerate the expansion of bronchial tubes at the same time and can quickly relieve the spasm of bronchial tubes caused by various reasons, such as the treatment of bronchial asthma, wheezing bronchitis and eosinophilic pneumonia. It is important to pay attention to the dosage and course of treatment. Some patients may experience adverse reactions after use, such as dizziness, anxiety, tachycardia, palpitations, etc. It is also contraindicated in patients with rapid arrhythmias, hypertrophic obstructive cardiomyopathy, and allergies to any of the ingredients.