Bromhexine Hydrochloride Tablets are mainly used for chronic bronchitis, asthma caused by mucus sputum is not easy to cough out. Bromhexine Hydrochloride can act directly on bronchial glands, prompting the release of lysosomes from mucus-secreting cells, causing the mucopolysaccharide fibers in sputum to differentiate and cleave. It can also inhibit the synthesis of acidic glycoproteins in mucous glands and cup cells, so that the respiratory tract secretes small molecule glycoproteins with lower viscosity, thus reducing the viscosity of sputum and treating sputum that is not easy to cough up. Bromhexine hydrochloride is widely used in acute and chronic bronchitis, bronchial asthma, bronchial dilatation, emphysema in white sticky sputum coughing out the difficulty of the patients, and due to sputum extensive obstruction of the small bronchial tubes caused by the critical emergency, etc. more effective. Occasional nausea and stomach upset. May temporarily elevate serum transaminases. Contraindications are unclear, but caution should be exercised in children and is especially not recommended for infants and young children. Elderly people with decreased organ function should also be careful to reduce the dosage of the drug. It is recommended to standardize and rationalize the application under the guidance of professional physicians and pharmacists.