There are many functions of humour in visual art. Humour affacts the way we perceive an artwork and makes us think. When it empowers the members of the audience and connects them we are talking about relational art. Humour can establish the distance that enables us to see a certain problem from a different perspective. Art critics often disregard and not aknowledge the humorous side of an artwork, describing it instead. Humour in relation with satire is the key for social criticism. With recognition of different functions of humour, we can better understand its power and use it more effectively in visual art. Only quality humour can overpower the widespread entertainment of western culture and add a special value to an artwork