According to Mr Võ Hồng Việt – staff of Hoi An Centre of Heritage Conservation and Management, the items made us understand thoroughly about history, culture, land and people of Hoi An and we could identify space of Hoi An ancient town in the 16^th -17^th centuries. Besides, some scientific problems need to be answered such as:  relationship between Sa Huynh culture and Cham culture; location of Hoi An ancient town in Champa period; location of Japanese, Chinese, and Vietnamese towns in the 16^th - 18^th centuries; establishment of Vietnamese village communities in Hoi An…