Chronic obstructive pulmonary disease (COPD) is a common disease in respiratory medicine, which is recurrent and persistent, and seriously affects the quality of life of patients and their families. Recently I will give you some precautions in daily life for patients with chronic obstructive pulmonary disease in parts. Chronic obstructive pulmonary disease is a disease that requires a lot of patience and persistence to control with medications for a long time. Here are some precautions for the use of drugs commonly used in the treatment of this disease. 1, theophylline: such as oral aminophylline, theophylline extended-release tablets. Take this type of drugs often appear dry mouth, panic; occasionally vomiting, abdominal; rarely will have arrhythmia, mental hyperactivity, convulsions. Since the therapeutic dose of these drugs is close to the toxic dose, the dose must be strictly in accordance with medical advice. Long-term patients also need to monitor the blood concentration of drugs. 2, sympathetic receptor agonists: such as Ventolin, this type of drug can quickly improve the symptoms of wheezing, it is recommended to carry with you. If your symptoms do not improve after inhaling 8 sprays of Ventolin continuously, come to the hospital immediately. 3, cholinergic receptor antagonists: such as love all, tiotropium bromide, this type of drug is relatively small side effects, asthma effect is also weak. If you suffer from closed-angle glaucoma, prostatic hyperplasia or intestinal obstruction to be used with caution. 4, hormonal drugs: including oral and inhalation formulations, commonly used oral such as prednisone, inhalation formulations are mostly compound preparations, such as Shu Li Di Xin Bi Ke, oral drugs need to increase or decrease the dose in strict compliance with medical advice, after the inhalation of drugs to fully rinse the mouth to avoid fungal infections in the mouth. Finally, there is a special reminder to the majority of patients and friends, when inhaling drugs, must be fully inhaled powder into the trachea, hold your breath for 10 seconds before resuming normal breathing. In addition, you must not forget to regularly check the amount of remaining medication in order to replace the cartridge in a timely manner.