© 2021 Turkish Society of AlgologyObjectives: This study was designed to explore the origin of the pain beliefs of chronic headache patients. Methods: This qualitative research has been designed using a case study method. Selected using the criterion sampling method, patients consisted of a total of six chronic headache patients in algology outpatient clinic at a University Hospital in Turkey. The data were collected using focus group methods. Data were obtained using a semi-structured interview form composed of eight open-ended questions. Data were evaluated by analyzing both descriptive and content data. Results: Chronic headache patients’ views on why they have pain and which beliefs they have about origin of the pain have three subthemes: (1) Organic beliefs, (2) psychological beliefs, and (3) environmental beliefs. Patients’ most frequently cited organic beliefs were genetics (familial) and physiological (tissue damage, surgery, and lifting of heavy objects). Patients’ most frequently cited psychological beliefs were stress, sadness, and having a sensitive personality. Conclusion: It is suggested to take pain beliefs differences and qualitative research into consideration in the management of pain in nursing care.