Since the Spanish Constitution of 1978 there has been a full and effective administrative justice. The citizens have the possibility to request a judicial review of decisions taken by the public Administrations, while being either the owners of a subjective right or of a legitimate interest. The interim judicial protection is not limited to the suppression of the act or general provision and the Courts are invested with direct powers to enforce their sentences. However, different problematic issues about the inactivity of the public Administrations and the enforcement of sentences are the new challenges to ensure the administrative justice. To this it must be added that there are problems regarding the inefficient work of Courts.