Provided are an active heat dissipation apparatus for a terminal, a terminal, and an active heat dissipation method for a terminal, including: the heat source collection modules distributed at various positions of the terminal collect heat data at the various positions of the terminal; a calculation and simulation module inputs the heat data collected at the various positions to a preset simulation model to determine a heat dissipation solution; and a control module controls a heat dissipation module to dissipate heat for corresponding positions of the terminal according to the heat dissipation solution.