Personnel Improvement – a complicated path in human resource management. It involves: initial training of personnel; instruction; instruction or retraining of personnel; planning and career improvement. Scientific and technological progress in modern conditions tremendously accelerates the procedure of obsolescence of professional understanding and capabilities. If graduates the expertise of the early twentieth century became outdated right after 30 years (ie the acquired knowledge they lacked practically all their functioning life), modern professionals have to be retrained each and every 3-5 years vocational instruction organization – is one of the big human resource management functions, and its spending budget may be the largest (just after salaries) item of expenditure of many campaigns.