Today's businesses operate in a changing environment and meet with a lot of challenges and the need for it management to their mastering. Knowledge is not the only component that is needed for a successful business and management of the company. Every person and Manager of knowledge can be acquired, but the skills and abilities just persevering. Every manager wants to be successful, but the road to it was thorny. As to what tasks easier to perform there has to be a team, and the team needs to be a secure flow of information so as to better and more successful there to reach the desired results. The theme and subject of study of this work are the functions of management on the example of the family farm, Marušić, which can create an image of the existence of management. Although it is a family farm it is essential to plan and have a plan.It is important that the plan be measurable, specific, achievable and time-specific. The work is written with the aim of analysis of the managerial functions of planning and comparison of what theory dictates. As the example used is a family farm Marušić which operates successfully, but there is no professional management. After the theoretical processing functions of management are presented general information about family farm Marušić that give a glimpse of when doing business and thereby deal with and after that is a function of management planning has been processed on the example. In this paper there are PEST and SWOT analysis, which got a glimpse of how the influence of the environment acting on family farms. The analysis has found that it is possible to do business without the professional managers, but professional approach to management can contribute to the quality of the business.