We discussed the connection and intersection between humanism and ecological architecture in a view of environmental psychology and analyzed the final purpose of ecological architecture intensively. According to the idea of people oriented, we explored arcology based on humanism. From aspects of anthropology, psychology, and sociology, we thought that satisfying persons’ psychological and practical needs mostly and reasonably should be a development direction of ecological architecture. We analyzed humanistic needs of ecological architecture, which can provide a reference for the development of ecological architecture.