We can not deny the positive aspects of tourism it brings; however , it still exists some disadvantages. Firstly, quality of life of the local community can be changed due to tourism, which means influences on lifestyle, cultural and traditional practices.The local people have to change their habit in order to be suitable for tourists, which leads to the disappearance of their cultural identity. Secondly , it leads to many environmental problems such as water pollution, air pollution ,... that seriously results in human's health. Generally , the development of tourism has lead to many serious problems we are facing today.