A pharmaceutical outsourcing phase II automation project for a drug preparation company: the company's plant design follows the Good Automated Production Practice Guide (GAMP5), providing users with design and exploration of amplification routes, process optimization, and construction services for new production routes.In order to meet whole plant integration control needs, feasible suggestions on automation control are offered. Regarding the industry product diversity, it provides different control points to meet different production needs, centralizes date and process the traceability for various types of devices.Specialized network design and variable operating authorizations achieve sub-area control needs, meet industry custom production, and make DCS and Batch control GMP compliant.