The main objective of this study was to determine the knowledge needs of fish farmers in the technical recommendations of fish farms surveyed at the Sidi Salem Center in Kafr El-Sheikh governorate, on a sample of 260 holders. The main results were summarized as follows: About 88% and about 92% of the farmers in need And about 16%, about 4%, about 5%, about 30%, 30%, 48.5%, 1.5%, about 26% of the total number of farmers in question They do not have a knowledge-based requirement for the establishment of fish farms, and the specifications of farms And the basis for the management of water in fish ponds, the basis for the preparation of nurseries, the basis for the receipt and transfer of fry, the basis of disease prevention, and the basis for harvesting and marketing. The independent variables included in the study are combined with the extension needs of the farmers concerned with technical recommendations for culture Fish with a correlation coefficient of 0.449. The significance of this relationship was found at the probability level 0.01 based on the calculated value of P, which reached 5,197. The results also indicate that the independent variables combined explain 20.2% of the variance in the cognitive extension needs.To cultivate the subjects with technical recommendations for fish farming.