Flame retardant protective clothing is an important personal protective equipment. When the clothing is in direct contact with flames and hot objects, it will be carbonized to form an isolation layer and slow down the spread of flames, thereby protecting the human body from various injuries. Flame-retardant overalls must not only meet the requirements of flame-retardant safety, but also need to be convenient and comfortable to wear, have extremely strong flexibility, easy to put on and take off, and is conducive to human activities. It has high strength, high tear resistance, high heat resistance, and resistance. Washing and abrasion resistance characteristics.