Objective(s):        The study aims to evaluate the information of the elderly about personal hygiene , and to find out the relationship between residents of geriatric-care homes knowledge and their demographic characteristics .

Methodology:      A quasi-experimental design study is conducted at geriatric home  in Al Cyelakh  Geriatric Care Home. The study was started at between November 20, 2021, and March 1, 2023. randomly sample of (30) elderly  in geriatric home were studied . Data were collected throughout the utilization of the adopted questionnaire and interview technique. The questionnaire was consists of (40) items related to concerned personal hygiene geriatrics persons, the reliability of instrument was (0.88) by using Cronbach's Alpha, the data analysis done by using the statistical methods which include (descriptive, and inferential statistics) 

Results:      The socio-demographic characteristics of elderly who participate in present study were man more than female . The age high percentage at age group was (60-69) years old .The Level of education among the study sample was elementary . Monthly income was barely sufficient and there were effectiveness of instructional on elderly  knowledge toward personal hygiene  throughout  the total mean at pre and post test which of  (1.34) (low level), to (2.39)   high level of knowledge.

Conclusions:        The study concluded that there were positive effect of instruction program on elderly  knowledge toward personal hygiene for  geriatric persons.

Recommendations: The study recommends to providing a guide  line for the personal hygiene  in all geriatric care homes.

Keywords: Instructional program , Knowledge, Geriatric Home . Elderly, Personal hygiene.