The article presents the genesis of the occurrence and origin of the African Swine Fever virus (ASF). In the absence of the discovery of a vaccine against the ASF virus, the only form of combating it is the application of administrative legal mechanisms characteristic of sanitary and veterinary law. The subject of the analysis are the administrative and legal mechanisms used to fight the ASF virus: the bans, orders, and mixed structures. The legal analysis performed was based on the legal regulations of the European law and the Polish national law. The final remarks include an assessment of the effectiveness of the doscussed legal mechanisms.