The most important indicators of pavers are compactness and flatness. At the same time, with the development of electro-hydraulic control technology, the comfort of operation and the convenience and maintenance of maintenance, the paver is oriented towards technical and economical. Two aspects of development. The technical paver has functions of central communication, constant speed control and fault diagnosis, digital ultrasonic leveling instrument, centralized lubrication, etc. The economic paver pursues reliability, practicality, simple operation and low price.