Strategic alliance is an important strategy and organizational format for enterprises to obtain or learn the creation ability．China's technology(intensive)enterprises are trying to enter the high—tech field by means of strategic alliance of which Sino—foreign enterprise cooperation becomes the first choice．This artiele divides the strategic alliance into market alliance and technology(developing)alliance formats．To the great extent,Sino—foreign enterprise cooperation is market alliance format，not technology alliance．The primary representation of technological learning about market alliance is knowledge shifting on management．operations，and professionals training．As market alliance in the technology(capital；lintensive industries，the main alliance format of the Sino—foreign enterprise cooperation|s the joint—stock alliance，or joint venture，which differs from the general conclusion drawing from the international strategic alliance study，and which sets up the mode1．helping US to understand the enterprises alliance between the developing and developed economies