Photovoltaic module surface detection system and photovoltaic module surface detection method

The invention provides a photovoltaic module surface detection system and a photovoltaic module surface detection method. The photovoltaic module surface detection system comprises a conveying device; the first detection device comprises a first light source, a second light source and an image acquisition device, the first light source is used for providing diffuse reflection light for the photovoltaic module, and the second light source is used for providing linear light for the photovoltaic module; the image acquisition device is used for acquiring an image of the photovoltaic module irradiated by the first light source and/or the second light source; the first detection device has a first detection mode and a second detection mode, and when the first detection device is in the first detection mode, the first light source is put into use for detecting the chromatic aberration value of each battery piece on the photovoltaic module; and when the first detection device is in the second detection mode, at least