This textbook has been prepared in accordance with the curriculum for the module "Criminal Procedure Law" based on the current criminal procedure legislation and modern literature. The textbook examines key issues and institutions of criminal procedure using innovative methods. This textbook is intended for students of law schools and faculties in the direction 5240100 - "Jurisprudence" in accordance with the State Educational Standard, researchers and teachers, as well as employees of judicial and law enforcement agencies. Recommended as a textbook for students of higher educational institutions majoring in Jurisprudence by the decision of the Coordination Council under the Ministry of Higher and Secondary Specialized Education of the Republic of Uzbekistan. Recommended for publication by order of the Rector of Tashkent State Law University No. 163 dated July 31, 2025.