This research aimed to study the extension needs of rural women in first aid.The study was carried out to achieve  the following  objectives: 1- Determine the respondents level of application of bases precaution accident case. 2- Recognize the respondents' level of knowledge needs in first aid field. 3- Identify the preferred extension education methods. 4- Study the relationship between some independent variables and the studing of dependent of variables. Data were collected by questionnaire and notice through personal interviews with a random regular sample consisted of 218 rural mothers from some villages in Behira Governorate Parson correlation, Kendell correlation, frequencies and percentages were used in analyzing the data. The results indicated the followings: 1- Low level of practice the prevention of injuries, moderate level of preventive as child ill, fall, burns and suffocation, high level of application bases precaution such as strange some things entering in body, poisoning and electrify were observed among most of respondents. 2- High level of knowledge needs in first aid such as : insect's bite, poisoning , animals' bite, burns and nose bleeding, bruise and fracture. 3- The most prefered extension education methods given by respondents were : home extension meetings and home visits at noon and afternoon times, and television programs in the evening. 4- There was positive significant relation between respondent age, education level, husband education level, family size, home safty degree and application bases pre caution accident case. 5- There was negative significant relation between, respondent education level, husband education level, respondent age, husband age, family size, number of times that has been training courses, understanding what first aid and the level of knowledge needs in first aid.