1. Draw a central node and mark it as "Discounted Profit".

2. Draw several main branches around the central node, which are suggested to be divided into "discount strategy" and "profit optimization".

3. Under the "Discount Strategy" branch, you can draw several sub-branches, such as "Discount Range", "Discount Term" and "Discount Object", and record specific discount related information.

4. Under the branch of "profit optimization", you can draw some sub-branches, such as "cost control", "sales volume" and "market competitiveness" to record the factors related to profit.

5. According to the specific situation, you can subdivide the sub-branches under each branch and record the relevant information in more detail.