This research aims mainly to determine the importance of encouraging ingredients of cultivation expansion of sunflower oil's crop from point of view of the respondents, and to determine degree of availability of these encouraging ingredients of cultivation expansion this crop from point of their view, and also, to identify the sources which respondents receive their information about its cultivation, as well as the obstacles facing them when expansion of cultivation of sunflower oil's crop from point of their view. The research was conducted in Elbeherah governorate as one of the largest governorates in the Delta in terms of area which cultivate with sunflower oil's crop, by the same criterion it was selected two biggest districts, namely Abu Elmatamer, and Kafr Eldwar, followed by selection the largest villages of each district, they were villages: Alnemriah, Elgheatah in Abu Elmatamer, and Sidi Ghazi, Maroon in Kafr Eldwar district, data were collected using interviewing personal questionnaire from regular random sample amounted to 196 respondents according to equation of (Krejcie & Morgan) among farmers of sunflower oil's crop of the four villages studied during the month of December 2015, Frequencies, percentages, arithmetic mean, standard deviation, and critical arithmetic mean, were used in data analysis and presentation of results. The main findings include: 1- The respondents see that the four groups studied encouraging ingredients on expansion of the cultivation of the sunflower oil's crop, namely: productivity, Extensional, marketing, and economical, were important, where the general relative mean of importance of each group of them amounted to 84.3 ٪, 89.1 ٪, 91.8٪ and 93.8٪ respectively. 2-  The respondents see that the four studied productive groups encouraging constituents on the expansion of the cultivation of sunflower crop were:  productivity, extensional, and marketing, were available, where the general relative mean amounted of availability of each group of them 46.9 ٪, 44.3٪,  40.2٪ and  38.4٪ respectively. 3- The most important sources of information that respondents receive their knowledge about cultivation of sunflower oil's crop are: agricultural input dealers, agricultural seniors in the village, personal experience, and relatives and neighbors. 4-  The most important obstacles facing the respondents when expansion in cultivation of the sunflower oil's crop were represented in: low sale price of crop, high prices of production requirements foe each of pesticides and chemical fertilizers, lack of information about diseases of insect pests infesting the crop, low productivity per feddan compared to other crops, the State not determining the sale price of the crop,  lack of extensional bulletins related to the crop,  non- availability of governmental factories foe extracting plant oils, and the State not doing with to providing with the contract farming system  to the crop < strong>.