The articial elaborates the charactensitic of chinese agriculture ecological environment in different historical stage,and summarizes it’s evolving tendency in agricultural exploiting and producting in about 7-8 thousand years.The evolving tendency is that the agriculture ecological social and economic environment has constantly improved in total,but the agriculture ecological natural environment has been being worse and worse.To counter this situation,the authors gave 4 suggestions about chinese agriculture ecological environment reconstruction in 21 century.