Infrastructure constructions have kept pace with the rapid development of our national economy, but the main problem is the shortage of funds which limits its development. The financing of BOT mode can become the fundamental solution to the problem. The theory of Total Quality Management has changed the awareness of quality management of large and medium-sized enterprises and improved the quality and stability of project quality, product quality and service quality. Total Quality Management in BOT means the control of different stages such as the project planning, designing, construction, inspection, operation and maintenance. Based on the TQM theory and the features of three stages of BOT project - Build, Operate and Transfer, the paper put forward to several methods that manage the quality of BOT project. The methods are as follows: Project Controlling, Value Engineering, performance evaluation, quality evaluation index system and the insurance of project quality