The determination of the of theextension tasks quality in term of extension employee opinions in the Qalubiyagovernorate was targeted. The following objectives was used. The identification of the presence and influence of professional determinants of the performance quality for extension employee for them extension tasks and determine the differences between the views of the respondents with respect to presence and influence of the determinants of professional of the performance quality for employees' tasks extension. To achieve these goals, a questionnaire has been designed. Then, its data were collected using personal interview with a sample of respondents to be 274 responded from advisors and specialists extension employee in  Qaliubiya governorate. Moreover, the frequencies, numbers, percentages and averages was applied. To display the data and arrange limitations or obstacles as well as test (Z) was used to test the validity of statistical hypotheses concerning the differences between respondents.