Solar photovoltaic cell junction box

The utility model relates to the technical field of solar photovoltaic cell junction boxes, and discloses a solar photovoltaic cell junction box, which is characterized in that the solar photovoltaic cell junction box comprises an upper shell and a lower shell, and one of first through holes is matched with a leading-out wire, so that the leading-out wire can be ensured to extend into the upper shell; the other first through hole is matched with an external cable to ensure that the external cable extends into the upper shell, the lower shell can provide a setting place for an internal circuit, and the upper shell can be fixed on the lower shell through the fixing assembly to form the shell. The gap between the upper shell and the lower shell can be filled through the arranged rubber block when the upper shell is fixed on the lower shell, so that water is prevented from entering the junction box, the rubber sleeve can be ensured to abut against the outer side face of the box body through the arranged pressing