1. Improve students' invoice knowledge level: improve students' invoice knowledge level, make them know basic knowledge such as invoice types, issuance requirements and management processes, and master invoice issuance and management processes to improve work efficiency and accuracy.
2. Laws, regulations and policies on invoice issuance and management: help students understand the laws, regulations and policies on invoice issuance and management, master the requirements and norms of tax authorities on invoice management, and improve the compliance and standardization of invoice management.