A double rope pet leash includes a leash body. A leash cavity is located in the leash body. A first leash assembly and a second leash assembly are connected to the leash body. The first leash assembly is fixedly connected with the leash body. The second leash assembly is located in the leash cavity and rotatably connected to the leash body. A first leash rope is pressed on the surface of the first leash assembly, and a second leash rope is pressed on the surface of the second leash assembly. The double rope pet leash further includes an open-close assembly connected to the leash body and capable of opening or closing the leash cavity.