The invention relates to the field of voltage generators, and discloses a novel gas impact voltage generator which is exquisite in structure, convenient to use, low in maintenance cost and good in maintenance convenience. The novel gas impact voltage generator comprises a charging device and a capacitor tower. The capacitor tower comprises an input end and an output end. The charging device is connected with the input end of the capacitor tower. The gas impact voltage generator further comprises a voltage lead-out device connected to the output end of the capacitor tower and a signal output device connected to the voltage lead-out device. The voltage lead-out device comprises an outer shell, a wave head resistor, a wave tail resistor, a first conductive rod, a second conductive rod and a third conductive rod, wherein the outer shell comprises a voltage lead-in end, an enclosed branch end, a signal output end and a voltage lead-out end. The signal output device comprises a shell body and a low-damping voltage divider, wherein the shell body is connected with the signal output end of the voltage lead-out device, and the low-damping voltage divider is connected with the third conductive rod. The novel gas impact voltage generator has the advantages of convenient application and good application effect.