High demand of Nature Tourism/ecotourism, Belum Temenggor forest complex (BTFC)need to be protected and conserved. Many scientists needed to report on biodiversity in BTFC. Public must support the programme because many opinion on ecotourism. Hig demand for tourism demand for accommodation, transportation, and other facilities. This will open to forest clearing and infructure. We need to think hard and understand on the BTFC for tourism.