The article is devoted to the research of the Polish-Lithuanian relations after 1989. Political changes after 1989, especially the communism collapse in Central-Eastern Europe, the Germany unification and the Soviet Union disintegration brought Poland and Lithuania to a new geopolitical situation. After the liberation from Soviet domination, Poland and Lithuania came over the similar development way. The history of the latest period proved that Poles and Lithuanians can organise their social, economic and political life in spite of many troubles. Poles and Lithuanians, based on the past experience, will be able to ensure the prosperous future for reciprocal Polish-Lithuanian relations based on positive examples, the equal partnership status and similar aspirations and endeavours.