Department of Biology, The Chinese University of Hong Kong has been doing teaching and research on fungi for over 30 years and gained worldwide reputation. The mushroom cultivation complex is a UGC granted system to The Chinese University of Hong Kong as the sole institution in Hong Kong focusing on research and development on edible and medicinal mushrooms. This complex locates in Chung Chi campus houses a research laboratory, three enviromentally-controlled rooms for growing mushrooms at 0-40^oC using solid-state-fermentation technology, one autoclave room, one composting yard and one store room. Beside autoclaving as a sterilization system, pasteurization system is equipped so that mushroom cultivation can be of a state-of-the art module or a rural module. This mushroom cultivation complex contributes significantly to field of bioconversion, bioremediation, organic farming and basic studies on mushroom development.