Abstract: The lateral inhibition network has the function of standing out the frame and enhancing the contrast,but the antinoise capability is poor.When using it,the noisy pixel dot is also enhanced.This is disadvantageous for the following process.In this paper,a probable measure coefficient is constructed to judge which break it belongs to,the noise break or the effective single break.The lateral inhibition has a certain antinoise capability by introducing this coefficient.The promoted network has both enhanced and antinoise capability.Both theory analyzing and experimentation emulating show that the noise can be(inhibited) to a certain extent with the new method.