Multi-layered chemical-resistant polymer film composite creates a lighter, softer, and more durable high-performance chemical protective fabric capable of resisting most hazardous chemicals; the fabric is strong and sturdy, ensuring wear-resistant and long-lasting clothing. The back-entry design enhances frontal protection, with a thickened PVC chemical-resistant face shield; an inlet for long tube air supply systems is provided at the waist, compatible with various long tube air supply systems; suitable for extended use in hazardous environments; applicable environments: chemical, pharmaceutical, petroleum, and firefighting industries, tank cleaning, equipment inspection and maintenance, emergency response, pollution cleanup, medical and health services, disease prevention and control, and protection against radioactive particles and dust in the nuclear industry.