A photograph-capture method, characterized by comprising: obtaining an image for an image capture area, and dividing the image into at least two image blocks according to a preset partitioning strategy; calculating parameter values of at least two attribute parameters of a center point in each of the at least two image blocks, wherein the at least two attribute parameters comprise at least two of sharpness, contrast, saturation, luminance and noise; determining the parameter values of the at least two attribute parameters of each of the at least two image blocks according to the parameter values of the at least two attribute parameters of the center point in the each of the at least two image blocks; determining the parameter values of the at least two attribute parameters of the image according to the parameter values of the at least two attribute parameters of each of the at least two image blocks; determining assessment values of the at least two attribute parameters according to the parameter values of the at least two attribute parameters of the image; determining an image quality assessment value of the image according to the assessment values of the at least two attribute parameters, wherein the image quality assessment value is configured to characterize a quality of the image; in response to determining that the image quality assessment value fails to satisfy a preset quality condition, determining an assessment value corresponding to a parameter value of each of the at least two attribute parameters, sorting the at least two attribute parameters according to the assessment values of the at least two attribute parameters to obtain a sorting result, and sequentially adjusting the parameter values of the at least two attribute parameters according to the sorting result to adjust the image quality assessment value of the image until the image assessment quality value of the image satisfies the preset quality condition; and in response to determining that the image quality assessment value satisfies the preset quality condition, generating (S 1102) a photograph-capture instruction, executing the photograph-capture instruction to save the image as a target image. obtaining an image for an image capture area, and dividing the image into at least two image blocks according to a preset partitioning strategy; calculating parameter values of at least two attribute parameters of a center point in each of the at least two image blocks, wherein the at least two attribute parameters comprise at least two of sharpness, contrast, saturation, luminance and noise; determining the parameter values of the at least two attribute parameters of each of the at least two image blocks according to the parameter values of the at least two attribute parameters of the center point in the each of the at least two image blocks; determining the parameter values of the at least two attribute parameters of the image according to the parameter values of the at least two attribute parameters of each of the at least two image blocks; determining assessment values of the at least two attribute parameters according to the parameter values of the at least two attribute parameters of the image; determining an image quality assessment value of the image according to the assessment values of the at least two attribute parameters, wherein the image quality assessment value is configured to characterize a quality of the image; in response to determining that the image quality assessment value fails to satisfy a preset quality condition, determining an assessment value corresponding to a parameter value of each of the at least two attribute parameters, sorting the at least two attribute parameters according to the assessment values of the at least two attribute parameters to obtain a sorting result, and sequentially adjusting the parameter values of the at least two attribute parameters according to the sorting result to adjust the image quality assessment value of the image until the image assessment quality value of the image satisfies the preset quality condition; and in response to determining that the image quality assessment value satisfies the preset quality condition, generating (S 1102) a photograph-capture instruction, executing the photograph-capture instruction to save the image as a target image.