Splicing type prefabricated wall and connecting structure thereof

The invention provides a splicing type prefabricated wall and a connecting structure thereof.The connecting structure comprises a protruding block and a groove, the protruding block is arranged at the lower end of an upper wall, a strip-shaped pipe is arranged in the protruding block in the longitudinal direction, transverse inserting-connecting assemblies are arranged in the strip-shaped pipe at intervals, each inserting-connecting assembly comprises a connecting spring, and the two ends of each connecting spring are connected with inserting-connecting heads; a longitudinal tensioning rod is further arranged in the strip-shaped pipe, the two connecting plugs are symmetrically arranged on the two sides of the tensioning rod, the connecting plugs are hinged to the tensioning rod through connecting rods, a driving mechanism is arranged on the tensioning rod, and the driving mechanism is used for driving the tensioning rod to reciprocate in the longitudinal direction. The tensioning rod drives the two inserting