Front steering axle of automobile

The utility model relates to a front steering axle of an automobile. The front steering axle of the automobile comprises a front axle, brake drums, brake friction linings, brakes, wheel hubs, steering knuckles, steering knuckle arms, a steering tie rod and a brake chamber, wherein the braking friction linings and the brakes are arranged inside the brake drums, each brake comprises brake shoes and a brake bottom plate, at least a pair of brake shoes is arranged on the inner side of each brake drum in cooperation with each other, a cooling chamber is arranged inside each brake shoe, and each cooling chamber is communicated with an external water supply device. Due to the fact that each brake shoe is designed to be of a hollow structure, namely a water circulation structure is formed to cool each brake drum, the cooling effect is good, and due to the fact that the brake friction linings are arranged on the inner side walls of the brake drums, the effect of friction braking is good, the efficiency of friction bra