Performance art is when the artist him or herself is the display, and acts out the idea. Many people will never forget Li Ming-sheng, who defecated at the Taipei Fine Arts Museum to express his dissatisfaction with that institution.
行動藝術甚或可以以人（創作者）去表現、執行創作者的意念。大家都應該還記得那個在北美館現場大便，以表現他對美術館不滿的李銘盛吧！