How to understand that the balance sheet is both a health check-up form and a crisis warning form?

The balance sheet is also the physical examination form of an enterprise, and health is capital.

The balance sheet is like the skeleton of the human body, supporting the financial system of the whole company. Analyzing the balance sheet is like a comprehensive physical examination of the financial situation of an enterprise, and it is also a crisis warning form.

In the left half of the balance sheet, "assets" are the users of funds, and in my part, "where is the money spent?" In the right half, the source of funds is "either borrowing or paying by yourself."