Background: large number of women use intrauterine device as a family planning method, and some of them complain from many problems from it, to understand the most common problems and find a solution for them, understand feminine hygiene. Aim: This study aimed to assess the feminine hygiene and sexual function among intrauterine device users. Subject and Methods: Descriptive design was used to conduct this study. Which carried out in outpatient clinics of family planning at Salama Abdulla center (west Sohag) and Agmeem hospital (East Sohage). The sample was consisting of a convenience sample of 500 women attending at those clinics their age 18- 45 years. Tools: Tow tools were utilized to collect data in this study Interview Questionnaire and Sexual Function Scale. Results: the result revealed that there was a highly significant correlation between vaginitis and sexual function (p=0.030*), cervicitis and sexual function (p=0.024*), and feminine hygiene practice and having vaginitis (P-value =0.000*). Conclusion: The study revealed that there was a highly relation between having IUDs and having cervicitis, vaginitis, and sexual problems. Recommendations: family planning center should have qualified staff and sterilized equipment to put IUDs for women and teach women the good hygiene practice