Lio Man Cheong is a member of the Macau Artist Society. Once he worked in the field of film and advertisement production, and later, he was invited to create and draw stamps of Macau Post and Telecommunication Office.

?He has participated in almost all the collective exhibitions of Macau fine arts circles, in the art exhibitions of the Art Festival, co-organized by Municipal Council and Macau Cultural Institute, as well as in the first four Watercolour Paintings Exhibitions of Canton, Hong Kong and Macau, organized by the fine arts associations of the three places.