This type of polyethylene powder coating is a thermoplastic powder coating modified with anti-aging agent, glue, pigment and pigment based on polyethylene resin. It has excellent adhesion and anti-corrosion properties, and is possessed by polyethylene itself with good chemical stability, electrical insulation, low temperature resistance. The coating film has excellent weather resistance, corrosion resistance, chemical resistance, electrical insulation properties, and has good surface decoration properties.