The invention provides an anti-puffing smoke exhausting device. The device comprisesa main smoke exhausting pipe, apartition board with a center hole, a center pipe, atopboard and atopboard support, oneend of the center pipe passes through the center hole of the partition board and is fixedly connected, the partition board is located in the middle of the center pipe; the center pipe and the partition boardare arranged in the main smoke exhausting pipe, the partition boardis fixedly connected with the main smoke exhaust pipe betweenan inner main smoke exhaust hole and an outer main smoke exhaust hole; the top board component is arrangedin an air outlet end of the main smoke exhausting pipe, an air guide gap is arranged between the top board andthe air outlet end of the center pipe, the top board support of the top board component is connectedwith the main smoke exhaust pipe on the inner side. As a result of the adoption of such astructure, the device has a variety of smoke discharging directions, the deviceis not under the influence of wind direction, and is anti-puffing, safe and reliable, and the potential of safety risk is eliminated.