A universal hook type ground lead connector for an ultrahigh voltage transformer substation is used for mounting of a ground lead in the ultrahigh voltage transformer substation and is characterized in that the ground lead connector adopts an inverted U-shaped hook and is directly hung on a ground point. Two metal conducting strips (1) are arranged on the inner sides of the inverted U-shaped hook to fix the two sides and are combined to form a horn shape, so that the inverted U-shaped hook type connector is conveniently hung on the ground point of electrical equipment, the metal conducting strips can be conveniently inserted into the ground point of the electrical equipment to be self-locked, and the contact area of the left and right sides of the inverted U-shaped hook type connector with a wire is increased; the universal hook type ground lead connector for the ultrahigh voltage transformer substation is simple in structure and convenient and reliable to use, and meanwhile, the safety is improved.