A method for imaging controlling, the method being applied to an imaging device comprising a pixel-unit array, the pixel-unit array comprising a plurality of photosensitive pixel units, and each of the photosensitive pixel units comprising at least one long-exposure pixel, at least one medium-exposure pixel, and at least one short-exposure pixel, characterized by the method comprising: determining a same-exposure image ratio according to a brightness level of a shooting scene, wherein the brightness level is a low brightness level, a medium brightness level, or a high brightness level, wherein brightness corresponding to the low brightness level is lower than that corresponding to the medium brightness level, and the brightness corresponding to the medium brightness level is lower than that corresponding to the high brightness level, and determining the same-exposure image ratio according to the brightness level of the shooting scene comprises: determining that the same-exposure image ratio is smaller than or equal to a first ratio predetermined, on condition that the brightness level of the shooting scene is the high brightness level; determining that the same-exposure image ratio is larger than or equal to a second ratio predetermined, on condition that the brightness level of the shooting scene is the low brightness level; and determining that the same-exposure image ratio is smaller than the second ratio and larger than the first ratio, on condition that the brightness level of the shooting scene is the medium brightness level, wherein the first ratio is smaller than the second ratio; capturing the plurality of images by the imaging device, wherein the plurality of pictures are captured through different exposure, and among the plurality of images captured a ratio of the number of images captured with same exposure to the number of the plurality of images captured equals the same-exposure image ratio; and performing a synthesizing processing on the plurality of images. determining a same-exposure image ratio according to a brightness level of a shooting scene, wherein the brightness level is a low brightness level, a medium brightness level, or a high brightness level, wherein brightness corresponding to the low brightness level is lower than that corresponding to the medium brightness level, and the brightness corresponding to the medium brightness level is lower than that corresponding to the high brightness level, and determining the same-exposure image ratio according to the brightness level of the shooting scene comprises: determining that the same-exposure image ratio is smaller than or equal to a first ratio predetermined, on condition that the brightness level of the shooting scene is the high brightness level; determining that the same-exposure image ratio is larger than or equal to a second ratio predetermined, on condition that the brightness level of the shooting scene is the low brightness level; and determining that the same-exposure image ratio is smaller than the second ratio and larger than the first ratio, on condition that the brightness level of the shooting scene is the medium brightness level, wherein the first ratio is smaller than the second ratio; determining that the same-exposure image ratio is smaller than or equal to a first ratio predetermined, on condition that the brightness level of the shooting scene is the high brightness level; determining that the same-exposure image ratio is larger than or equal to a second ratio predetermined, on condition that the brightness level of the shooting scene is the low brightness level; and determining that the same-exposure image ratio is smaller than the second ratio and larger than the first ratio, on condition that the brightness level of the shooting scene is the medium brightness level, wherein the first ratio is smaller than the second ratio; capturing the plurality of images by the imaging device, wherein the plurality of pictures are captured through different exposure, and among the plurality of images captured a ratio of the number of images captured with same exposure to the number of the plurality of images captured equals the same-exposure image ratio; and performing a synthesizing processing on the plurality of images.