The invention discloses a shale gas wastewater treatment part with a funnel-shaped concrete piece. The shale gas wastewater treatment part comprises a grid and a sewage pool. One end of the grid is installed in one side of the sewage pool and the other end of the grid is installed in the other side of the sewage pool. The grid has an arc structure. One end of the grid is connected to a first motor. The first motor drives the grid to rotate. Grooves for storing a sewage treatment agent are arranged in the grid, comprise multiple grooves and are evenly distributed on the grid. The grid has the radian of 30-60 degrees. The lower end of the grid is provided with a funnel-shaped concrete piece. A water inlet is arranged on a sewage pool. The side wall, provided with the water inlet, of the sewage pool is opposite to the side wall, provided with the fixed end, of the grid. The lower end of the side wall of the sewage pool is provided with a water outlet. The upper end of the sewage pool is provided with the rotary grid structure and the lower end of the grid is provided with the funnel-shaped concrete piece. The impurity removal process is prior to the post-coagulation process so that the integration of impurity removal and coagulation is realized and the treatment efficiency is improved.