the present invention discloses a back contact solar cell . the back contact solar cell includes a semiconductor substrate having a front surface and a rear surface ; and a first conductive type semiconductor region having a first conductive type and a second conductive type semiconductor region having a second conductive type , the first conductive type semiconductor region and the second conductive type semiconductor region being disposed with an interval on the rear surface of the semiconductor substrate . in addition , the rear surface of the semiconductor substrate has a texturing structure at the interval between the first conductive type semiconductor region and the second conductive type semiconductor region .