The advanced planning and scheduling optimization software for central control (InPlant APS) includes applications such as monthly plan formulation, production task scheduling, production and operation management, crude oil database management, cost-benefit calculation, emergency scheduling optimization, equipment shutdown and maintenance plan, and product structure optimization. The functions cover device level scheduling optimization, production scheduling, single plant level production planning, and enterprise level production planning. Using the C/S+B/S architecture combination, a full process planning optimization and scheduling model is constructed through modern information technology and mathematical modeling methods, effectively supporting modern chemical enterprises in various application scenarios such as raw material selection, planning optimization, and scheduling. We provide comprehensive optimization solutions from raw material selection and procurement to equipment processing, product blending, and product delivery, to optimize decision-making, increase production and efficiency, enhance production and operation efficiency, and maximize the enterprise value chain for our clients. The software is suitable for multiple fields such as petrochemical refineries, energy and chemical industries, and fine chemicals.