The Chinese Association of Life Science in Switzerland (CALSS) was found in June 2009 in Zurich, Switzerland. It is a non-profitable academic organization of Chinese life scientists and belongs to the Chinese Association of Science and Technology in Switzerland (CASTS). The principal aim of CALSS is to build a strong communicative network among its members, to facilitate fruitful dialogue and intellectual exchange between academic institutions and applied industry, and to enhance the bilateral communication and collaboration of life science between Switzerland and the motherland China.