The invention provides a surgical robot which is convenient for installing a mechanical arm, and relates to the field of surgical robots. The surgical robot, which is convenient for installing a mechanical arm, includes a base, the upper surface of the base is fixedly connected with a column, and the left side of the column is lapped with a swivel seat, and the upper surface of the swivel seat is provided with a movable groove. The inside of the slot is movably connected with a rotating block, the left side of the column is provided with an adjustment slot, and the right side of the swivel seat is fixedly connected with a bracket inside the adjustment slot. The surgical robot, which is convenient for installing a mechanical arm, has a movable arm, an active arm, a motor, a screw, an auxiliary plate, a screw hole, a contact rod, a shaft, a swivel, a collar, a first limit rod, a second limit rod, The first limit hole, the second limit hole, the first fixing groove and the second fixing groove cooperate to achieve the effect that the mechanical arm of the surgical robot is easy to install, and solve the complicated and time-consuming installation process of the mechanical arm of the existing surgical robot Laborious, resulting in the problem of inconvenient installation.