The main objectives of this research were: a) Determine respondents' farmers level of knowledge of the export criteria of onion crop. b) Identify the problems that face of them. c) Determine relationship between level of their knowledge of these criteria and their personal variables. This research was conducted of a simple random sample of 144 respondents from the villages Tomas Al-Bahria and Al-Dair in Esna district, Luxor, Egypt. Data were collected using a questionnaire by interpersonal interviews during February and March 2021. Data were analyzed using tables, frequencies, percentage, and Spearman rank correlation coefficient, using package of statistical programs of social sciences (SPSS). The results showed that:
 

51.3% of respondents had high knowledge level of quality criteria, 77.1% had low knowledge level of size criteria, 80.6% had middle knowledge level of showing criteria and 60.4% had low knowledge level of marks criteria. 
89.6% of respondents had middle knowledge level of export criteria of onion crop, while this level high of 10.4%.
The most important problems facing the respondents: agricultural extension is not interested in providing information on export criteria of onion crop, decrease of cooperative association for accumulation onion designed for export, price of the dry onion had low, and decrease information of onion criteria designed for export.
Significant positive correlations were found between respondents' knowledge level of export criteria of onion crop and some independent variables and Significant negative correlation were found between respondents' knowledge level of export criteria of onion crop and some independent variables.