How do you go about separating business finances to the personal money?

[Stardom22]

In situations whereby one owns business and other multiple streams of income, how do they go about managing the business finances in a good way without spending the business funds wrongly?

 

[Springtime]

I know some small business owners withdraw salary from the company. They use the salary for household and personal expenses. In this way, business finance and personal finance is separated.