An LED light source module is provided, including a substrate, a protective layer, a first conductive terminal, a second conductive terminal, at least one auxiliary structure, and a light-emitting member. The protective layer is disposed on the substrate and has an opening. The first conductive terminal, the second conductive terminal, and the auxiliary structure are disposed on the substrate and accommodated in the opening, wherein the auxiliary structure is disposed between the first conductive terminal and the second conductive terminal. The light-emitting member has a first electrode and a second electrode, respectively electrically connected to the first conductive terminal and the second conductive terminal. The auxiliary structure is disposed between the light-emitting member and the substrate. A method for manufacturing the aforementioned LED light source module is also provided.