The invention discloses a polyvinyl chloride waterproof floor comprising the main components by weight: 3-15 parts of polyvinyl chloride resin, 33-54 parts of dry oil, 13-22 parts of a penetrant, 4-15 parts of chlorofluoroethylene, 3-15 parts of diisononyl adipate, 7-21 parts of a drier, 13-23 parts of a plasticizer, 5-15 parts of didecyl sebacate, 5-15 parts of a plasticizing modifier, 10-18 parts of an anti-aging agent, 10-18 parts of a colorant, 5-18 parts of a moistureproof agent, 5-15 parts of a non-dry seal adhesive and 10-25 parts of methyl acrylate. Through the method, the polyvinyl chloride waterproof floor can effectively prevent water and moisture and increases the service life of the floor.