The utility model discloses a plastic sports ground mat with buffering and damping functions, which comprises a plastic panel, a fixing plate and a plurality of buffering pieces, the plastic panel is placed on the surface of the fixing plate, a plurality of positioning grooves are arranged on the surface of the plastic panel, first positioning holes penetrating through the plastic panel are arranged on the inner wall surfaces of the positioning grooves, and the first positioning holes are communicated with the plastic panel. Second positioning holes are formed in the positions, right opposite to the first positioning holes, of the fixing plates, the buffering pieces comprise positioning blocks, studs and buffering bases, the positioning blocks are arranged in the positioning grooves, one ends of the studs are installed in the positioning blocks, and the other ends of the studs penetrate through the first positioning holes and the second positioning holes to be connected with the buffering bases. According to the utility model, the structure is simple, the fixing plate, the plastic panel and the buffer piece are independently arranged and can be randomly disassembled, the buffer piece consists of the positioning block, the stud and the buffer seat, and the buffer seat is in threaded connection with the stud, so that the buffer seats with different
hardness can be mounted according to the weight condition of a user so as to adapt to different elastic strengths, and the sports comfort is improved.