This study was conducted to determine the problems and needs of breast cancer patients receiving chemotherapy. Methods: A qualitative study involving 24 women with breast cancer under chemotherapy. The data were collected through an in-depth individual interview using the Patient Information Form and the Semi-structured Interview Form. The raw data was then analyzed and interpreted using "content analysis technique". Necessary permissions were obtained from related institutions of Dokuz Eylül University and from all patients. Results: The obtained data were divided into two main categories; Patients' Problems and Patients' Needs. Patients' Problems includes physical, psychological and sexual problems and also the problems about interpersonal relationships. Patients' Needs consists of needs related to health care professionals, family, as well as those about various institutions and organizations. Conclusion: As a result, it is thought that the presence of a counseling unit along with treatment centers will be fruitful in terms of informing as well as meeting the needs of the patients. In addition to advising on these units, it is recommended that counseling services be provided at home before and during the chemotherapy period.