Meprobamate, generic name propacaterol hydrochloride tablets, has the effect of dilating bronchial tubes and promoting respiratory cilia movement, which is used in the treatment of wheezing bronchitis, bronchial asthma, acute bronchitis accompanied by increased bronchial reactivity, and the treatment of chronic obstructive pulmonary disease. Procaterol Hydrochloride Tablets, belonging to β2 agonists, can diastole bronchial smooth muscle, with the efficacy of dilating bronchial tubes, can relieve the symptoms of wheezing and shortness of breath caused by the above diseases. After taking Procaterol Hydrochloride Tablets, some patients may experience nasal congestion, stomach upset, muscle tremors, dizziness or tinnitus. Rash, arrhythmia, and facial flushing may also occur. It is prohibited for nursing mothers, pregnant women, children and elderly patients, in addition to hyperthyroidism, high blood pressure, heart disease, diabetes and other patients with caution. After overdose of Procaterol Hydrochloride Tablets, it may cause arrhythmia, tachycardia, hypokalemia, hyperglycemia and other symptoms, so it needs to be used correctly under the guidance of a doctor.