A processing method on the basis of the technology of computer visual and digital image wasintroduced. The improved LVQ (learning vector quantization) neural network algorithm appliedin the process to identify the grade of apples was proved effective in experiment. A processing method on the basis of the technology of computer visual and digital image was introduced. The improved LVQ (learning vector quantization) neural network algorithm appliedin the process to identify the grade of apples was proved effective in experiment.