This study aims to determine the cost of receipt, income, profit, and feasibility of the business of fattening beef cattle in the Ngudi Rahayu livestock group. The method used in this study is descriptive analysis. The sampling was carried out in a census or all members belonging to the Ngudi Rahayu farmer group weresampled as many as 40 people.. The results of the study show that farmers who are members of the Ngudi Rahayu livestock group make the beef cattle fattening business a side business. The food used is in the form of brands, forages, and combatants. The total cost of fattening beef cattle is Rp. 29.823.641. Produce receipts of Rp. 33.867.750, Revenue Rp. 9.573.775 and profits of Rp. 4.044.109 and feasibility seen from R / C obtained results 1.1. Capital productivity of 17%.