The invention discloses antibacterial plastics, which mainly comprise polyethylene, polypropylene, dispersing agents, antioxidants, toughening agents and antibacterial agents, wherein the antibacterial agents consist of the following ingredients in parts by weight: ethylene oxides and 3-methyl-4-isopropyl-phenol. The antibacterial agents are added into the antibacterial plastics, so that the antibacterial performance is enhanced on the basis of the original features of the plastics; the antibacterial performance is higher; the use safety of people is ensured; good application prospects are realized; the antibacterial plastics are worthy of being popularized.