The article discusses the theoretical and practical problems of investigating the crimes of battery

provided for in Article 109-1 of the Criminal Code of the Republic of Kazakhstan. Investigative

practice in this category of cases is of particular importance in the activities of law enforcement

agencies. The authors analyze the criminal law characteristics of the crime of battery, the main

methods and methods of investigation, as well as the practical difficulties faced by the investigator.

In addition, recommendations were given to improve the efficiency of the investigation, including the

development of professional skills of investigators, the introduction of witness protection measures

and the digitalization of the criminal process. The article identifies the directions for improving the

investigation of crimes in order to increase the effectiveness of the law enforcement system and

strengthen law and order in society.