Background: Weight bias internalization is a special form of self stigmatization in obese persons. In previous studies relations to poorer self-reported physical and mental health, lower self esteem and higher binge eating frequencies are described. The construct of alexithymia describes the incapacity to identify and describe emotions and feelings, especially positively origin. The current study examined the relationship between both constructs and the associations of weight bias internalization and other psychological characteristics that are related to eating pathologys like impulse regulation, interpersonal distrust, perfectionism and interoceptive awareness. Methods: We found out with the help of self- assessment questionaires the relations between weight bias internalization (WBIS), alexithymia (TAS-20), depressions (BDI-II) and other psychological characteristics that are related to eating pathologys like impulse regulation, interpersonal distrust, perfectionism and interoceptive awareness (EDI II). The study included a population of overweight and obese persons, that decided to a medical treatment in the university medicine Greifswald in the clinic for psychiatry and pschotherapy in a period of May 2015 to February 2019. After application 103 patients (73 women, 30 men) who met our exclusion criteria remained participated in our study and evaluated their self-assessment questionnaires and have been analyzed. The data was collected at the beginning of the stay ...