Neomycin sulphate is bactericidal in action (kills bacteria). It does this by causing the bacteria to produce defective proteins which are essential for their growth.

• 硫酸新霉素是起杀菌作用（杀死细菌）。它是通过使细菌产生有缺陷蛋白质，这些蛋白质是它们成长所必需的。