This study was conducted to determine the cost, revenue, profit and the feasibility in the business of salt fish in Cilacap regency. The basic method of this research is descriptive analysis method. The research location Subdistrict and village determined by the method of purposive sampling is in South Cilacap Subdistrict and Cilacap Village because this area have the amount of business of salt fish largest. Taken 21 respondents in Cilacap village with sensus method. The result of this research shows that total average cost spent by those business of salt fish in South Cilacap subdistrict is Rp 5.798.332 per month. The average revenue for each of them is Rp 3.790.879 per month and the profit is Rp 3.077.858 per month. The business of salt fish in South Cilacap subdistrct worth the effort, seen from the labor productivity is Rp 723.481/ HKO greater than UMR Cilacap Regency. The productivity of capital 61,27% means if the capital utilized for business of salt fish generate a profit 61,27 per month from the capital use, so this business worth the effort because the productivity of capital is greater than the rate the bank amounted 0,42% per month. R/C more than one that is 1,53 means each Rp. 1,00 the costs issued in the business give receipts Rp 1,53.