Football hooliganism is a complicated social phenomenon that is difficult to define. Iti s associated with the expression of masculinity and deviant behaviour, which usually includes violence. That is, however, not very common in football, but the role of the media and the police creates a different image in the public. Ordinary viewers of this sport will approach live football marches with a cerain amount of caution. Based on the numerous theories of hooliganism presented in this paper, it can be caused by a number of sociologial or psychological variables. Some authors even believe that the need for violence comes from man's animal instincts. In the end, it is difficult to determine which of these theories are not valid and which reflect the true story behind this phenomenon. Iti s accompanited by vasrious subjective factors, so that an individual fan can be influenced by several factors at the same time. Football is part of an aggressive culture. Players and fans often forgive certain displays of aggression. This is also connected with symbolic violence, which is a large part of fan culture. Fans can thus dominate opponents without resorting to real physical violence. In addition, they express their ideological ideas and national identity. Nationalism within football is another factor that can lead to hostile attitudes. Sport builds the identity of the country. Sports also exist for expressions of pride towards the same. A certain degree of rationalism can be recognized in social movements, which serve fans to initiate a struggle against various social and political issues, and which can be related to football itself.