It has a broad-spectrum antibacterial effect, especially against aerobic Gram-negative bacteria. It has high antibacterial activity against most bacteria of the Enterobacteriaceae family, penicillin-resistant Neisseria gonorrhoeae, enzyme-producing Haemophilus influenzae and Moraxella, Pseudomonas aeruginosa, etc. It has antibacterial activity against methicillin-sensitive Staphylococcus aureus, and only moderate antibacterial activity against Streptococcus pneumoniae, hemolytic Streptococcus and Enterococcus faecalis. It has good effects on Chlamydia trachomatis, Mycoplasma, and Legionella, and also has antibacterial activity against Mycobacterium tuberculosis and atypical mycobacteria. It has poor antibacterial activity against anaerobic bacteria. Ciprofloxacin is a bactericide that acts on the A subunit of bacterial DNA helicase, inhibiting DNA synthesis and replication, leading to bacterial death.

Anti-angina drug. This product belongs to the nitrate compound, which has the effect of preventing the free calcium ions in cells, increasing the permeability of cell membranes to potassium ions, dilating coronary blood vessels, continuously increasing coronary blood flow, and inhibiting coronary artery spasm. When dilating coronary blood vessels, it does not affect blood pressure, heart rate, myocardial contractility, and myocardial oxygen consumption. This product also has the effect of inhibiting platelet aggregation and preventing thrombosis.