The invention discloses a light source module of a general LED headlamp. The light source module comprises a headlamp light source main chip, a chip fixing part, a headlamp reflector, a lampshade, a radiating component and a lamp body fixing part fixedly connected with a car lamp base; the chip fixing part is of an integrally-molded structure and comprises a connecting rod, a first vertical plate and an inclined plate, wherein the middle of the rear side face of the first vertical plate is vertically connected with the front end of the connecting rod, and the rear side of the inclined plate is connected with the upper side of the first vertical plate; the connecting rod is assembled on the lamp body fixing part, and the rear end of the connecting rod is fixedly connected with the radiating component; the headlamp light source main chip is fixed to the lower portion of the front portion of the inclined plate, a reflection mirror of the headlamp reflector is located below the headlamp light source main chip, the rear portion of the headlamp reflector is fixedly connected with the first vertical plate, the front end of the headlamp reflector is connected with a lampshade, and light sent out by the headlamp light source main chip is reflected through the reflection mirror and penetrates the lampshade to be shot out; and the light source module can shorten the development period of the LED headlamp, reduce the development cost, meanwhile, reduce light energy losses and improves generality.