Abstract
In recent years, China’s society and economy has been developing very rapidly, and various industries are showing a trend of vigorous development. The importance of control and management of project cost in highway project management is becoming more and more prominent. PPP model has been widely used in the control and management of highway project cost with its own unique advantages. The author analyzes the important advantages of the PPP model and the existing problems in the cost control and management of highway projects, and puts forward effective measures for the cost control and management of highway projects using the PPP model, in hope of helping with the smooth implementation of the work.