Ambroxol tablets and oral solution are only different in terms of dosage form, the efficacy of the medication is the same, the oral solution is already dissolved, and it is easier to absorb after drinking. Tablets are more convenient for oral intake, the effect is the same, oral liquid is mostly used for children, tablets are mostly used for adults. The more appropriate dosage form can be chosen by the patient’s acceptance level. Ambroxol preparations can reduce the viscosity of sputum, with the effect of resolving phlegm and relieving cough, and can also increase the movement of bronchial cilia, mainly used for patients with viscous sputum and unpleasant cough. This medicine can be used if there is phlegm from a lung infection, inflammation in the airways, and if there is a lot of phlegm, usually in combination with anti-inflammatory drugs. Injectable administration is used for the prevention of postoperative pulmonary complications and the treatment of respiratory distress syndrome in premature infants and newborns. The high dose of this drug (250-500mg each time, twice a day) has the effect of reducing plasma uric acid concentration and promoting uric acid excretion, and can be used for the treatment of gout. Adverse reactions are rare, and only a few patients experience mild gastrointestinal reactions such as stomach upset, stomach pain, and diarrhea. Occasionally, allergic reactions such as skin rash are seen, and the drug should be discontinued immediately if allergic symptoms occur. Contraindicated in pregnant women, lactating women, glaucoma patients. If discomfort occurs, please consult a doctor in time and use the medication under doctor’s supervision.