Female sex workers have a high risk of suffering from sexual transmitted infections (STIs). If the female sex workers suffer from STIs, besides affecting themselves, they also have potential to transmit the disease to their clients. Fluor albus is one of the symptoms of STIs. The purpose of this research is to evaluate the type of STIs that the female sex workers suffer from. This research was conducted retrospectively on 100 female sex workers in Puskesmas Putat Surabaya in 2013-2014. The result of this research showed that from 100 female sex workers, 14 subjects (14%) suffered from gonococcal cervicitis, 51 subjects (51%) suffered from nongonococcal cervicitis, 10 subjects (10%) suffered from nongonococcal cervicitis accompanied by bacterial vaginosis, 9 subjects (9%) suffered from bacterial vaginosis, 1 subject (1%) suffered from trichomoniasis, and 14 subjects (14%) had no data. This research concluded that nongonococcal cervicitis is the most major cause of STIs suffered by female sex workers. Therefore, the vigilances to prevent transmission of nongonococcal infection to the clients is highly needed
