Natural habitats of Rhacophorus exechopygus are evergreen forests, including those mixed with bamboo or deciduous forest, typically on vegetation near streams, at elevations of above sea level. The eggs are deposited in foam nests attached to leaves overhanging the water surface. It is threatened by habitat loss and degradation, mainly caused by agriculture. Collection for international pet trade might also be a threat. It is present in a number of protected areas including the Phong Nha-Kẻ Bàng National Park and Ngọc Linh and Song Thanh Nature Reserves (Vietnam). Its expected range includes other protected areas too.