The utility model discloses a production field mobile operation system which comprises internal network equipment and field mobile equipment, wherein the internal network equipment comprises a database server, an internal network server, a virtual private network (VPN) server, a firewall, an application server and a plurality of internal network personal computers (PC); the field mobile equipment is a flat panel computer with a built-in subscriber identity module (SIM) card chip; and the flat panel computer communicates with the application server through a wireless communication network. The production field mobile operation system is constructed by virtue of embedded software according to a wireless communication technology and a VPN technology; working processes are overhauled through combing, so that data exchange and integration functions are enhanced; the comprehensive inquiry analysis and displaying level is improved; the cooperation level among departments is improved; and the aim of safety production is fulfilled.