To provide a connecting structure of a plastic fence and a coupling body for the same, excellent in architectural-design properties and capable of demonstrating the feeling of depth lacking for a conventional plastic fence and being harmonized with a surrounding natural environment and used as a landscape material.

In the connecting structure of the plastic fences 1 and 1', a timber 2 is laid across the plastic fences 1 and 1' adjacent to each other while leaving space in order to be fixed to the plastic fences 1 and 1'. The plastic fences 1 and 1' and the timber 2 are alternately and consecutively installed by means of the above connecting structure so as to bring about the feeling of depth lacking for the conventional plastic fence and provide the coupling body for the above connecting structure, which is provided with the harmony with the surrounding natural environment, the excellent architectural-design properties, and the capability to be used as the landscape material.