Aim of the study. To identify the frequency of subclinical neuropathy in patients with diaphyseal fractures of the hu-merus in different periods of treatment. Materials and methods. Held clinical-following systems survey of 122 patients with diaphyseal fractures of the shoulder bone. Results. At 57 after neurological examination and electromyographic diagnosed with post-traumatic neuropathy. Conclusion. As a result of research implemented its purpose. Revealed the frequency of post-traumatic neuropathy, as complications of fractures of the shoulder bone. Not always the defeat of the peripheral nerves of the manifest clinically, which complicates the diagnosis. Give a description of the locations and forms of damage, describes in detail the dynamics of the violations identifed in the course of treatment. Considered are the questions of diagnostics of latent forms of neuropathy and stages of their manifestations.