The article provides a thorough analysis of the main theoretical and legal approaches to the concept, essence and content of disciplinary liability in Ukraine. The institute of labor discipline is investigated, as one of the ways of ensuring a positive labor responsibility of an employee. The main features of disciplinary responsibility are described, which fully characterize it as a kind of legal responsibility in Ukraine. The legal issues of the formation and development of labor legal relations in Ukraine are analyzed, which are conditioned today by the peculiarities of the conditions of the formation of a market economy. Until recently, the labor law of Ukraine was formed under conditions when the idea of a national centralized economy prevailed. Labor discipline in enterprises, institutions, and organizations is characterized by the creation of the necessary organizational and economic conditions for normal high-performance work, a conscious attitude to work, methods of persuasion, education, as well as the promotion of conscientious work. The discipline of labor as an institution of labor law, as a principle of labor law, as an element of labor relations, as the actual behavior of an employee, is highlighted. The main groups of disciplinary duties are considered, for breach of which disciplinary responsibility arises. After all, the main responsibility of each employee is to perform the obligations assumed by him under the employment contract and the implementation of the labor function in accordance with the labor regulations. From the definition of the labor function of the employee, depends on the specific scope of his duties, which plays an important role in ensuring the discipline of labor. General and special disciplinary responsibility has been investigated. Established by the peculiarities of special disciplinary liability, it is characterized by the wider content of disciplinary offense and more severe sanctions. In fact, special disciplinary liability may apply to those workers who are subject to the statutes and other discipline provisions, which determine the general duties of these employees, the disciplinary offenses and the range of persons authorized to apply them, the procedure for imposing and appealing against such penalties.