In order to study the effects of different treatments on yield,yield components and quality of soybean,this experiment took ‘Chengdou 6'as material,and setup treatments with different sites,fertilization levels and planting density. The results showed that suitable fertilization levels for Yu County of Zhangjiakou, Funing County of Qinhuangdao,Pingquan District of Chengde were urea( 149. 6 kg / hm2),bisamine( 180 kg/hm2) and muriate potash( 149. 6 kg / hm2),and when the optimal planting density was 195 000 ...