Disclosed is an outside simply constructed wire bracing tower. The utility model provides a simply constructed type outside base station antenna feed system wire bracing wire. The simply constructed type outside base station antenna feed system wire bracing wire comprises main rods, a plurality of bracing wires and a footstone, wherein a plurality of main rods are assembled into a tower body and are vertical to the ground, the footstone is arranged on the bottom end of the tower body, and the main rods are fixed on the footstone. One ends of the bracing wires are fixed on the tower body and the other ends of the bracing wires are fixed on the edge of the footstone. The top portion of the tower body is provided with an antenna and a lightning rod, and the bottom portion of the tower body is provided with a grounding wire. Feeder lines are distributed on the tower body. The upper ends of the feeder lines are connected with the antenna, and the lower ends of the feeder lines on the bottom portion of the tower body are connected with a communication ground network and contact an outer network through the ground network. The outside simply constructed wire bracing tower is novel in appearance, reasonable in stress, light in weight of the tower body, simple to construct, short in period, little in occupied land, small in damage to load bearing articles, wind in application range. Besides, the outside simply constructed wire bracing tower has the advantages of being easy to transport, simple and easy to construct and operate, maximum in investment income rate, low in production cost and the like.