Neurocognitive deficits in schizophrenia patients is a major health and social problem of modern psychiatry nowadays. Many patients with schizophrenia are of working age and there is a high enough percentage of their disability. Objective To study the influence of neurocognitive training on higher cortical functions in schizophrenia patients and to evaluate their effectiveness in the treatment of schizophrenia. Material and methods We formed groups of patients diagnosed with paranoid schizophrenia undergoing treatment in the departments of rehabilitation and day hospital. Patients of the main group (102 patients) additionally participated in the training of cognitive deficits. Patients included in the comparison group (48 patients) received only pharmacotherapy. Study design Initial evaluation of patients was carried out at the first call, prior to the neurocognitive training. Follow-up study was conducted one month after completion of training programs and the final examination, after a year. In the comparison, group surveys were conducted with the similar frequency. Results After training, the cognitive processes in schizophrenia patients were obtained by increasing the tempo of the performance, improving concentration, improving the adequacy of long-term thinking and memory have identified trend towards an increase in operational short-term memory. According to the survey indicated, with an increase in all indicators (the difference with the control group ranged from 3 to 26%), the maximum improvement falls on visual memory, and minimal attention to the function. Conclusion The neurocognitive training showed itself as an effective method of correcting neurocognitive deficits.