It is expected that the role and market share of B2B Electronic Commerce between countries increase in the future. To motivate this new type of marketing, civil-leading flexible regulation frame is needed than any other factors including its legislation and administration for activating each companys cooperation mind and friendly relationship also. Government policies should focus on coordination of competing circumstances and participating to international standardization working scope In addition, domestic situation of B2B Electronic Commerce and political perspectives are to be analyzed and proposed that contribute to broaden market share. These aims are obtained by scrutinizing some critical factors of current B2B market: companys trading characteristics, possibility of introducing to trading scope, and B2B Electronic Commerce Policy etc.