One presents the case of a patient of 31 years who suffers Obesity type II (according to criteria of the SEEDO). The evaluation diagnoses are performed to two sessions of one hour, and the treatment throughout 18 sessions. After a structured interview and pass the test SCL-90R, discusses the source of your problem, establishing the functional analysis of the same, and informing him how he came to that situation of excess weight, and what factors have to be maintained over time.Application in t