It can antagonize histamine and acetylcholine, relieve bronchospasm and have an anti-asthmatic effect; it has a strong inhibitory effect on the cough center; it can cause increased secretions, thin thick sputum, reduce sputum viscosity, and make it easier to cough up; it has a similar effect to aminophylline in relaxing bronchial smooth muscles; it can increase the electrical stimulation threshold of the cerebral cortex, inhibit the synaptic conduction of electrical stimulation and the spread of epileptic electricity.

Kills bacteria by inhibiting cell wall synthesis. It is highly resistant to beta-lactamase produced by bacteria and is highly sensitive to Gram-positive, Gram-negative aerobic and anaerobic pathogens.