Hemudu about 7000 years ago: grinding stone tools (new period)

Half slope about 6000 years ago: grinding stone tools.

The change of life style: the agricultural revolution in the Neolithic Age had a far-reaching impact. It changed human beings from food gatherers to food producers, from wandering and restless migration life to settled life in Paleolithic age, began to live in groups and entered the stage of clan commune.

The main reasons: the improvement of production tools, people gradually mastered the methods of hunting and gathering through the accumulation of hunting and gathering experience, and the growth of population, all of which require human beings to start to stabilize, so the lifestyle began to change.