Prefabricated assembly structure construction protective barrier connecting structure

The utility model provides a prefabricated assembly structure construction protective barrier connecting structure which comprises a square steel tube, an embedded sleeve, a first bolt assembly, a second bolt assembly, channel steel and a steel rod used for being sleeved with a protective barrier, the square steel tube is vertically arranged, a channel bottom plate of the channel steel is back to the outer side of the upper portion of the channel steel, and an opening of the channel steel is arranged outwards. The pre-embedded sleeve is pre-embedded on the prefabricated wallboard, a pair of bolt holes for the first bolt assembly and the second bolt assembly to penetrate through are formed in the square steel pipe, a bolt hole for the second bolt assembly to penetrate through is formed in a groove bottom plate of the channel steel, and the lower portion of the square steel pipe is connected with the pre-embedded sleeve through the first bolt assembly; the upper portion of the square steel pipe is connected wit