Grain size analysis, magnetism analysis, pollen analysis and chronology analysis are performed on the samples from Longqiuzhuang Site of Gaoyou, and Qingdun Site of Hai an in the north part of the Yangtze Delta, analyzing the relationship between rise and fall of human civilization and environment changes.

Environmental archaeological study on the Qingdun site, Hai an, Jiangsu province, during the Neolithic cultural period;

Dawn of the Ancient Chinese Civilization:the Significance in History of Aesthetics Reflected in Qingdun Relics;

Sporopollen Record in Chuodun Site in Suzhou, Jiangsu and Palaeoenvironment in Taihu Region;

【Objective】 A study was carried out to explicate the basic characteristics of ancient paddy soils at Chuodun site,in order to achieve better comprehension of the mechanisms of the sustainability of paddy soil.

According to the sporopollen analysis of the Majiabang culture stage at the Chuodun Site in Suzhou, Jiangsu Province, combined with previous studies in Chuodun Site, we suggest that: climatic events during Holocene have insignificant effect on Neolithic human survival and development in the Yangtze Delta area.

Most of the character datum scored on the bottom of the bowls unearthed in Shuangdun site are the scored characters of true - life images related to living, which prove that the creation of the archaic characters in China is not needed of religion,but the demand of people s activities in production.