The invention discloses a hinge pin convenient to install. The hinge pin comprises a first connecting block and a second connecting block. A first fixed plate is fixedly connected with the right side of the first connecting block. Grooves are formed in the two ends of the right side of the first fixed plate. A second fixed plate is fixedly connected with the left side of the second connecting block. Protruding blocks matched with the grooves are fixedly connected to the two ends of the left side of the second fixed plate and located in the grooves. According to the hinge pin, by arranging fixing nuts and hinge pin bodies, the first fixed plate can be connected with the second fixed plate, by arranging movable rods and positioning rods, the hinge pin bodies are positioned and prevented from shaking during installation, by arranging the grooves, the protruding blocks, clamping grooves and clamping blocks, the stability of contact between the first fixed plate and the second fixed plate is improved, and meanwhile, the problems that operation is troublesome, installation is inconvenient, the time is wasted, and the labor cost is increased are solved.