In recent years, it is thought that there is a relationship between eating disorder and post-traumatic stress disorder. Especially after sexual abuse, eating disorders is thought to be higher than that seen in the normal population. Exposed to a trauma such as sexual abuse of children, may not develop healthy defense mechanisms. The live event can be revived again in the mind, they can see in their dreams. In this case, they feel emotions like fear, anger, and guilt as iterator. To get rid of their emotions about the sexual abuse they can convert the feelings by suppressing with unconscious mechanisms to thoughts and feelings about eating food. Many studies have shown a relationship between post-traumatic stress disorder and eating disorders. Although the majority of research was a significant correlation, there are also publications which show that there isnt a direct relationship. Here of we present a patient who developed post-traumatic stress disorder and eating disorders after incest, sexual abuse. [Anadolu Psikiyatri Derg 2016; 17(0.300): 80-83]