B2B指(zhi)(zhi)的(de)(de)是(shi)Business to Business，as in businesses doing business with other businesses，商(shang)家（泛指(zhi)(zhi)企(qi)業(ye)(ye)）對商(shang)家的(de)(de)電子商(shang)務(wu)(wu)，即企(qi)業(ye)(ye)與(yu)企(qi)業(ye)(ye)之(zhi)間通(tong)過(guo)互(hu)聯網(wang)進行(xing)產(chan)品、服(fu)務(wu)(wu)及(ji)信息的(de)(de)交換。通(tong)俗(su)的(de)(de)說(shuo)法是(shi)指(zhi)(zhi)進行(xing)電子商(shang)務(wu)(wu)交易的(de)(de)供(gong)需雙(shuang)方都是(shi)商(shang)家（或(huo)企(qi)業(ye)(ye)、公(gong)司），她（他）們(men)使(shi)用了(le)Internet的(de)(de)技術或(huo)各種商(shang)務(wu)(wu)網(wang)絡平臺，完成商(shang)務(wu)(wu)交易的(de)(de)過(guo)程(cheng)。B2B是(shi)企(qi)業(ye)(ye)與(yu)企(qi)業(ye)(ye)之(zhi)間通(tong)過(guo)互(hu)聯網(wang)進行(xing)產(chan)品、服(fu)務(wu)(wu)及(ji)信息的(de)(de)交換。