BT mode(Build-Transfer) is a kind of financing mode, refers to government departments use non-financial fund for basic facilities construction project. This mode has a good financing effect for urban rail transit projects which has low profitability. Based on the analysis of the common operation forms of BT mode, this paper compares the characteristics and applicable scope of the operating forms, pointed out that gen- eral contracting type of BT mode is better. This paper also re- search the necessity and safegu...