The invention discloses an antibacterial nylon-6 plastic, which comprises the components in parts by weight as follows: 100 parts of nylon-6 and 0.3-0.5 parts of a compound antibacterial agent. The compound antibacterial agent comprises the components in parts by weight as follows: 2-6 parts of cedar wood oil, 4-8 parts of chitosan, 10-20 parts of nanometer titania, 15-25 parts of nano silver oxide, 30-50 parts of polyhexamethylene guaidine phosphate and 2-4 parts of polyhexamethylene guaidine hydrochloride. The antibacterial nylon-6 plastic has a broad-spectrum antibacterial effect, as well as effects of inhibiting bacteria powerfully, killing bacteria and proofing mildew, and can be applied to the production of a connector, a wire reeling shaft, a timer, a protecting cover breaker, a switch casing base, a cooling fan for an automobile, a door handle, an oil tank cover, a gas inlet grid, a water tank protective cover, a lamp base and the like.