The invention relates to an outdoor EL detection platform of a photovoltaic module. The EL detection platform comprises an EL camera support, a wireless communication control system and a computer terminal, wherein the support is a swinging arm support, the swinging arm support comprises a support base, a vertical rack and a sliding swinging arm, the vertical rack is arranged above the support base, the sliding swinging arm is arranged above the vertical rack, an EL camera is arranged at one end of the sliding swinging arm, the wireless communication control system is used for synchronously collecting a shooting signal of the EL camera and is in wireless connection with the computer terminal, three support legs are arranged at a lower part of the support base, each support leg comprises three sections, the vertical rack comprises a base section and a second sub-section which are arranged in an upper and lower structure, the sliding swinging arm sequentially comprises a swinging arm rod front end, a swinging arm rod middle part and a swinging arm rod tail end from left to right, a sliding sleeve is arranged at an outer side of the swinging arm rod middle part, the swinging arm rod middle part is arranged in the sliding sleeve in a sliding way, and the sliding sleeve is arranged on the vertical rack.