Hoi An is a small town located in Quang Nam and is the place to witness two great cultural exchanges in Vietnamese history. The first time was more than 5 centuries ago, when Dai Viet went south to open up its banks, and the second was 2 centuries ago, when Westerners followed ships and merchant ships on their feet. this land with the intention of propaganda and acquisition. Both events brought about great cultural interaction and Vietnamese culture overcame the challenge of assimilation to self-transform and coexist. Besides, Hoi An is also a traditional town port in Southeast Asia in the 15th and 16th centuries, still preserved intact and thoughtfully, is the only old town in Vietnam that still retains its status quo with traditional housing architecture dating back to 2 to 3 hundred years, mixed with houses are religious architectural works as well as temples, synagogues ... It is a place with a very unique human ecological environment. Surrounding it are the craft villages and the activities on the river. This is also the relic of three communities of people living together are Vietnamese, Chinese and Japanese. It is these things that Hoi An is recognized as a cultural heritage by UNESCO in December 1999.