The concept of law adopted in the legal family of general (case) law, its sources (forms), application of law, as well as the legal system of Great Britain, its elements, historical origins and development are disclosed in an accessible form. The types of law, the concept of law, the types of law, which include the publication, execution and application of law, the effect of judicial precedents in space, in time, in a circle of persons, are analyzed. Modern materials on the current reform of the UK legal system and the judicial system were used.