The article substantiates the Ukrainian system of guarantees of the rights and freedoms of internally displaced persons to determine ways to increase their effectiveness in martial law. Research on the legal status of IDPs in Ukraine has been conducted since 2014, but a new wave of forced displacement has provoked numerous changes and transformations in this special status. In addition, Russia's full-scale invasion has caused countless new challenges. Therefore, further research and justification of the legal status of IDPs are essential.
 General guarantees include political, economic, social, ideological and cultural guarantees. We propose to include normative-legal and organizational-legal to special (legal) guarantees. The effectiveness of the guarantee depends on the interconnectedness of all types of guarantees and their coordinated functioning. Development of normative-legal and institutional guarantees, clearly conditioned by the existence of a number of general legal guarantees (political, economic, social, cultural and ideological).
 The condition for restoring the violated rights and freedoms of Ukrainians, obtaining fair satisfaction is the investigation of numerous crimes and violations of international law, as well as the prosecution of criminals.
 Under martial law, laws are passed quickly and on an extraordinary scale, which is justified. But such rates are not commensurate with society's usual expectations of legal regulation. Therefore, it is essential to be widely informed at the national and municipal levels about changes in legislation, especially in the interests of internally displaced persons. One of the conditions for evacuating civilians from the war zone and blocked territories is confidence in support and protection from the state and society. It is vital to minimise bureaucratic procedures and simplify administrative and social services access.