1, the formulation of coding principles is the key to enterprise coding. Because there is no correct coding principle, there are many unreasonable parts in the material coding of many enterprises, or the coding work is abandoned halfway.

2. Unified coding management is an important factor in scientific and reasonable coding of enterprises. Due to the lack of unified management of material coding, all departments code according to their own needs. Because of their different ways of thinking, there are many mistakes and repetitions. Over time, the whole code is full of loopholes.

3. The coding principles of subsidiaries and parent companies are not uniform, which is the reason why the whole enterprise is not uniform.