The invention discloses a pipe net layer knitting machine. The machine comprises an annular or circular rotating bobbin frame, and a pipe pull wheel; the bobbin frame is horizontally mounted on a stand or a base; multiple bobbins are arranged on the bobbin frame; the pipe pull wheel is fixed above the bobbin frame through a bracket, and is connected with a motor; and a pipe pressing mechanism is arranged on the pipe pull wheel. The machine can realize the pipe net layer knitting procedure with high efficiency and high quality to reduce the production cost and the time consumption in the procedure.