Tobramycin eye drops is also called tobramycin eye drops, the main active ingredient of which is tobramycin, which is an aminoglycoside antibiotic, and its antibacterial spectrum is similar to that of gentamicin. It has certain antibacterial activity against Escherichia coli, Bacillus aerogenes, Klebsiella, Proteus mirabilis and Pseudomonas aeruginosa, Neisseria spp. Among the positive bacteria, Staphylococcus aureus is also sensitive to this drug. Tobramycin mainly acts on the ribosome of bacteria, thus inhibiting the synthesis of proteins in patients and exerting antibacterial effects. Tobramycin eye drops are mainly suitable for local infectious diseases caused by sensitive bacteria in the external eye as well as in the appendages, and mainly act as an anti-infective agent. When using Tobramycin, one should pay attention to the control of bacteria and discontinue it promptly if eye discomfort occurs during the course of use. In conclusion, Tobramycin eye drops mainly have an antibacterial effect.