The Egyptian Fish farming consider as one of the important method ofincreasing the domestic fish output due to relative increase of it output yearafter year. According to the period (2205-2013) the average annual local fishoutput was about 1.26 million tons, while the domestic consumption reachedabout 1.46 million tons with fish gab about 209 thousand tons or about 86%self-sufficient rate. This situation creates a deficit of Egyptian balance ofpayment which led to shortage in foreign currency.Objectives of the study:the study is preformed to focus on five objectives such as:1- importance of the investment in the fish farming activity.2- Identify the descriptive statistics of variables used to study of technical and economic feasibility to guide investors which they desiring to inter the field.3-cost of constructing, management and operating a fish farm.4- expected net of the fish farm.5- financial analysis of the fish farm.Results of the study: The results of the economic analysis of establishing a fish farm witharea of 10 faddan indicate that: (1) the internal rate of return (IRR) will be42.2% which is more than the interest rate 16% by about 26.2%. (2) Theinternal rate of net win is more sensitive to lower revenues than to the uppercost. (3) Fish farming is a profitable industry and provides income, employment and nutritional benefits to fishermen.