Abstract: Theory of archetype gives a research on the influence of ancient people and culture on the subsequent.Every works contains the collective unconsciousness from the ancestors.This text attempts to give a detailed analysis to Heart of Darkness with the help of mytharchetype in the structure，plot，and image.It is concluded that Heart of Darkness is a complicity of both the Conrad′s times and the ancestors′ collective unconsciousness，and it also reveals the regret and attachment behind the critique against colonialism.

Key words: Heart of Darkness, theory of archetype, myth, collective unconsciousness