Side effects of salbutamol inhalation aerosol include allergic reactions, accelerated heart rate, headache, muscle tremor, etc. Adverse reactions are recommended to consult a doctor in time, and the drug needs to be used in strict accordance with medical advice. Salbutamol belongs to the β2 agonist, clinically commonly used for the treatment and prevention of bronchial asthma, or respiratory diseases accompanied by bronchospasm, can significantly diastole bronchial smooth muscle, thereby improving symptoms. Due to individual variability, albuterol inhalation aerosol is not absolutely the safest, during the use of the drug may produce allergic reactions, accelerated heart rate, headache, muscle tremor and many other adverse reactions. Therefore, the use of medication needs to actively cooperate with the doctor to regulate the use of the drug, and after the occurrence of adverse reactions, seek medical treatment in a timely manner.