1.OA, also known as office automation system, is the product of the collaborative work of various departments within the enterprise, aiming at solving the internal transaction processing, assisting management and improving office efficiency and management level.

General functions of 2.2. OA includes: internal communication, information release, document management, workflow, personal office, conference management, vehicle management, office supplies management, book management, etc.

3.OA mainly deals with people, things, execution and other management-related contents.

4.OA is mainly used in medium and large companies with multiple departments, and is responsible for coordinating the work of each department.

Second, ERP.

1.ERP is mainly software for managing manufacturing industry. For example, to make a mobile phone, you need to prepare the shell, battery, motherboard, scheme and other parts, and then process and produce them in a planned and step-by-step manner. Large or complex products, the more production links, ERP is specifically to solve the production management needs of manufacturing enterprises.

2.ERP functions mainly include: master production plan, purchase plan, sales execution plan, material demand plan, profit plan, capacity plan, financial budget and human resource plan.

3.ERP mainly deals with the data of raw materials, product accessories and other physical objects.

4.ERP is mainly used in manufacturing factories and enterprises, and is responsible for the informationization of enterprise production management.