The Beck Depression Inventory is a psychological assessment tool designed to measure the severity of depression symptoms in individuals. The scale includes a series of questions that cover feelings of sadness, hopelessness, loss of interest, changes in sleep and appetite, helping to determine the extent to which depression affects daily life. This scale is used by mental health professionals, such as psychiatrists and therapists, in clinics and treatment centers. It helps provide an accurate diagnosis of depression, enabling specialists to create personalized treatment plans that address the individual's needs. The results of the Beck Inventory are a valuable tool for understanding a person's psychological state, offering precise insights into symptoms and making it possible to track progress in treatment over time. Through this, individuals can receive the necessary support and improve their quality of life.