Planning and budgeting are extensions of good financial models. The financial model can be a measure of profit. The budget can be the budget of cash or the business budget of different dimensions, such as the wastage of goods. Carry out strategic analysis, such as SWOT, PESTEL, porter's five forces model, etc. Based on the situation of the enterprise to view and macro analysis. Calculate can help the newly appointed management personnel fast accounting of enterprise operating costs and business income. In growing businesses, periodic renewal budgets can be strengthened.