The concept of family cash must be based on a certain economic foundation, so it is the goal of all families and the fundamental responsibility of the head of the family to strive to make the family have a relatively strong and solid economic foundation. Of course, this is not an easy task, and it needs the full cooperation of every family member. Therefore, every family member, including the head of the family, needs to master some professional knowledge in family finance. With these knowledge and skills, we can actively and effectively make suggestions for family life, arrange the distribution of family economic income and expenditure more scientifically and reasonably, and make families more United and harmonious and live happier.