The four-foot cool protective clothing is made of soft high-elastic fabric, and its cool feeling comes from the combination of hydrophilic cool feeling fibers, which can improve the heat transfer rate and air permeability between fur and fabric, and can quickly release excess heat to achieve a cool effect. The lower abdominal crotch is provided with a humanized division, which can be tailored according to the dog's gender. Suitable for outdoor environment protection, insect prevention and sun protection, home dust reduction and other scenarios.