The utility model discloses a circuit board used for an automobile fuel pump. The circuit board comprises a metal seat, inductance coils and a capacitor. The metal seat comprises a U-shaped body and a strip body arranged on an external bottom portion of the U-shaped body. Two sides of the U-shaped body are provided with the inductance coils respectively. The circuit board is characterized in that two ports of the U-shaped body are connected with horizontal welding heads respectively; an internal bottom portion of the U-shaped body is provided with two component gears; the capacitor is arranged on the component gears; connection wires of two ends of the capacitor are connected to two sides of the U-shaped body respectively; connection points and two ends of the strip body are provided with compaction components; the compaction components are bended pressing strips connected to the U-shaped body or the strip body; inner sides of the pressing strips are provided with welding salient points. The structure is reasonable and compact and a cold solder joint problem generated during welding can be avoided.