Nowadays, the leisure gradually becomes an important part of social life. The unique landscape styles of Southeast Asian countries are loved by the people of many countries. That not only makes it an ideal resort of holiday, but aslo makes the architecture and landscape of Southeast Asian countries emerging all over the world. Ruili, an important port for Southeast Asia as China, is suitable for the establishment of a Southeast Asian style park in geographic, climatic and local conditions. The Ruili Nongmo Lake Wetland Park is just the park, in it a number of independent and interrelated sub-Park to show the styles of the countries has been designed. In the design of the main building of the sub-parks, combining with the similarities and differences of the countries, find out the representative elements from the dwellings, to fully show the landscape style of southeast Asia countries.