In this paper my aim is to introduce the concept of aticivity and its pontential contribution to indonesia psychology,to establish dialogue with socio-cultural realities in indonesia, and to build meaningful psychology body of knowledge. To achieve the aim for indonesia audience of 20th century. The crisis was much debated mostly among european continental authors (Teo,2005:28). Vygotsky is one of major figures in the debate. He and his followers have developed an approach based on Marxist philosophy that is aimed to overcome the crisis. Understanding of the crisis is an important background to understand activity theory.