Cancer, which is amongthechronicdiseases, rankssecondaftercardiovasculardiseasesallovertheworld. Thisdis ease, which is theresult of abnormalfunctioningandproliferation of cells, affectssocietypsychologically, econom icallyandsocio-culturally. Forthisreason, or this reason, while examining the cancer disease, it is important to consider the aspects that affect the individual and society, together with its medical aspect, in order to reach more comprehensive information in understanding the process of the disease. The aim of this study is to evalu ate the perceptions of individuals about cancer. Within the scope of the field research conducted for this purpose, a total of 1010 individuals, 502 individuals with cancer and their relatives, and 508 individuals without cancer, were reached in the city center of Bursa. As a data collection tool, the 'Cancer Perception Questionnaire' prepared by the researcher was applied. In the first part of the questionnaire, 8 questions about the sociodemographic characteristics of the participants; In the second part, there were 8 questions about cancer and in the third part, 30 statements on a 5-point Likert scale. The research data were subjected to factor analysis and individuals' perceptions of cancer disease were evaluated through the sub-dimensions of "trust in physicians", "hopeless ness and insecurity", "cancer awareness", "awareness of the disease", "importance of morale and support" and "seeing treatment possible". As a result of theresearch, it is seenthatthe total Cronbach'salphacoefficientforthe 30 expressions in thecancerperceptionscale of theparticipants is 0.744. These sub-dimensions are; 'confidence in physicians' (0.799), 'hopelessness and insecurity' (0.749), 'cancer awareness' (0.732), 'disease awareness' (0.782) and 'seeing treatment as possible' (0.728); Cronbach's alpha coefficient was found to be high in these sub-dimen sions. When the sub-dimension scores of cancer patients and their relatives and non-cancer patients were com pared; cancer patients and their relatives in the sub-dimensions of 'trust in physicians', 'hopelessness and insecu rity', 'cancer awareness', 'disease awareness', and 'seeing treatment possible'. When the sub-dimension scores of cancer patients and their relatives and non-cancer patients were compared; It has been determined that cancer patients and their relatives have higher scores in the sub-dimensions of "trust in physicians", "hopelessness and insecurity", "cancer awareness", "awareness of the disease", "seeing treatment possible" than those who do not have cancer. No difference was found in the 'importance of morale and support' (0.707) sub-dimension in both groups. As a result of the research, gender, marital status, education and employment status were compared according to demographic variables and significant differences were determined in some variables.