The article presents documents of the European Union, the provisions of which constitute the problem of illegal immigration affecting the Member States. The individual documents deal with the search for solutions limiting the most common forms of illegal immigration, which is the smuggling of people and trafficking in human beings. The Union is committed to preventing and combating trafficking in human beings and protecting the rights of victims of trafficking. Subsequent provisions included in EU regulations indicate, inter alia, on the need to reduce illegal immigration, a friendly policy for legal migration, effective management of external borders, a reliable return policy and the development of a common immigration policy.