Forbidden drugs: 1, the heart (propranolol): this product in addition to the beta receptors on the heart (beta 1 receptors) have a blocking effect, the bronchial and vascular smooth muscle beta receptors (beta 2 receptors) also have a blocking effect, can cause bronchial smooth muscle spasm and nasal mucosa capillary constriction, asthma patients with the use of the condition can be sharply deteriorated, it is prohibited in bronchial asthma and allergic rhinitis patients. 2, neostigmine, toxic lentil and other anticholinesterase drugs into the body can be combined with cholinesterase, so that a large increase in acetylcholine, thus causing bronchoconstriction; maurobrine and cresylcholine and other cholinergic drugs can directly excite bronchial smooth muscle ~ M-receptors, so they can induce and aggravate bronchial asthma. 3, morphine, dulcolax, fentanyl can cause respiratory depression, aggravate asthma, asthma attacks should be prohibited. Non-steroidal analgesic drugs: aspirin, lysergicin, anti-inflammatory pain (indomethacin), paracetamol, analgin and other drugs can induce or aggravate asthma, and should be applied with caution or prohibited in clinical practice. 2.Biological agents: thymidine can be used as alloantigen to aggravate asthma. 3, Amiodarone: pulmonary adverse reactions are the most, which can lead to pneumonia, pulmonary fibrosis, asthma, lung injury, pleural effusion. The treatment is to stop the drug or reduce the amount of application.