With the advancement of science and technology and the rapid development of microelectronics technology,programmable logic controller(PLC) has been widely used in the automation field of the chemical industry.This paper design a system is based on Siemens PLC S7-1500 module,the main control unit is CPU1515-2.The tank area and 4 production workshops are networked to realize automatic transportation of 9 different materials.With the host computer configuration software Windows Control Center(WinCC),the process parameters such as data overview,flow chart,curve,alarm window and so on are displayed on the man-machine interface,real-time monitoring is realized,and the amount of material is automatically stored in the SQL Sever 2012 database.Simplify process analysis and production management.