This article exposits the context of the argument of Buddhist ecology in Taiwan, constructs the discourse of deep ecology that is implied in the T’ien-t’ai Buddhism and tackles some topics of the ecophilosophy from the perspective of the intercultural communication between western ecology and Buddhist ecology. Environmental conservation and prevention is an important current in Taiwanese Buddhist practice. But in some critic of Taiwanese philosopher the Taiwanese Buddhist ecology lacks the valid foundation of ecophilosphy, because they assert a theory of “only mind”. This article exposits the context of this argument and constructs the ecophilosophy of T’ien-t’ai Buddhism and reexamines some topics of the intercultural ecophilosophy in order to responses this challenge.