Bedouin women play an effective role in preserving the natural vegetation cover in the desert environment, as they bear great responsibilities for their activities in daily life, however, she did not receive attention to training in order to raise the level of her knowledge and implementation of environmental conservation practices to prevent the extinction of economic natural plants, , therefore research' objectives are; 1- Identifying the most important socio-economic characteristics of Bedouin women in Sinai, Egypt , 2- Identifying the nature and degree of the actual role of Bedouin women in preserving the natural vegetation ,3-Identification of problems faced in preserving the natural vegetation , 4- Determine the relationship between this role as a dependent variable , and some independent studied variables , The research was conducted in North Sinai Governorate, data were collected using a questionnaire on the personal interview for Bedouin women, the intended sample size reached 100 respondents, The study sample was chosen from areas that represent natural plants subject to extinction, which represents an economic value such as medicinal and aromatic plants and pasture plants, field data were collected through a project " support Bedouin woman activities in North Sinai" ,. Statistical program data (SPSS) was used in data analysis). The results were presented using tabular form; the results of the study showed the followingThe most important characteristics of Bedouin women in the sample are as follows ; About half of the female respondents are in the age group (36-55 years), the majority of whom