Equity law has been one of the most important issues of challenge between individuals and governments in the general sense of the word. In different times, private ownership of individuals has been deprived by government's intervention and in cases such interference is considered as one of the undeniable hazards in private life. This study examines the concept of equity law in law and law and its place against public interest in the introduction of restrictions of private property in the municipality's law, and by referring to the examples of restrictions, rules of verdicts and the binding principles of liability has been investigated in the municipality's law. The study of the legal sources and sources shows the inefficiency and of urban management rules that regulate these rules to regulate part of the problems in this area. Also training and acquainting the citizens with the culture of urbanization and regulations of this field can help governments to apply and enforce laws. Recognizing that the limitation of equity law, to provide safety, health and comfort of urban life and the equal status of public utilities and public services, is inevitable; the results of this study can be applied applied to planners in urban management area planners.