With the aim of reviewing and identifying the indicators and designing a judicial development model, the current essay studies and explores the concept of judicial development. The method of study is qualitative and is performed in two stages, fist, in the form of a documentary and library study, second, using the Delphi technique for 20 experts and managers of the judiciary and justice administration of Tehran province as the executive administrators of judicial development field, who has been selected randomly, using a semi-structured interview tool. The concept of judicial development consists of the efficiency of the judiciary for independent, fast, accurate and specialized handling of judicial cases, efforts to prevent crime, development of justice and freedom, stability of structures and organizations and provision of human and physical resources, supervision of good Law enforcement and reformation and update of procedures, supervision and improvement of the performance of law enforcement officers, efforts to fight corruption and solve the crisis of legitimacy, development of electronic proceedings and technologies, and expansion of public participation and application of non-judicial methods of dispute resolution. Finally, judicial development was categorized into eight main dimensions and 20 main indicators on the basis of the scientific logic of indexing.