potatoe crop is considered the main vegetable crops in Egypt. The problem of the study, although potatoe crop is considered the main exports crop meads for both agriculture and economic development but there are fluctuations in the production and the price of this crop in both consumer and producer levels which affects an marketing and the production of this crop. The general objective of  the study is to estimate the supply response of potatoe crop in Egypt through study the variables related to the supply response of this crop < /p> To achieve this purpose the study depended on both descriptive and quantitative analysis through secondary data were collected from different sources Suitable statistical analysis were used to stud y the trend of area, production and productivity of potatoe crop < /p> The study showed that:- there are instability in all years in cultivated area, total production, feddan productivity, and farm price of potatoe crop whereas. there are positive relations between cultivated area of summer potatoe in current year and cultivated area of the crop , net return  per Feddan of summer potatoe in the previous year. there are negative relations between cultivated area of potatoe crop in current year and cultivated area of  summer cucumber,  farm price and  net return per Feddan of  in the previous year And finally the study recommends some recommendations that helps the farmers of potatoe crop . To solve the production problems in order to increase the productivity and exports of potatoes crop in Egypt .