With the rapid development of social economy, Human material civilization greatly improved at the same time, The resources of the earth is decreasing, Human survival environment is also facing a huge threat. Therefore, in the economic globalization and the protection of the ecological environment, the enterprise should undertake the social responsibility. Green purchasing is an important part of the green supply chain management, Green supply chain management, And can reduce cost through coordination and cooperation with suppliers, Reduce the use of hazardous substances, Improve the ability to response market rate, To enhance the competitiveness of enterprises, establish a corporate image of environmental protection. Therefore, the supplier selection is the core content of green procurement, green procurement is the first link, through the selection and evaluation of suppliers can further reflect the enterprise green procurement practice level. The paper will research the before, to study the supplier selection and evaluation of the enterprise from the angle of green purchasing, using analytic hierarchy process, set up a supplier evaluation index system and scheme evaluation model, thus providing methods and selection of supplier green procurement evaluation.