Cognitive Behavioral Therapy is a type of psychotherapy given initially to the people who are suffering with depression but now used in the treatment of various mental illness such as anxiety and depression. It mainly helps in person aware of negative thinking and helps in challenging the situations more clearly. In addition to treat people suffering with anxiety disorders and depression it also helps people suffering with Obsessive compulsive disorder (OCD), panic disorders, phobias, eating disorders like bulimia, anorexia including problems related to alcohol misuse, sleep disorders like insomnia etc. Cognitive behavioral therapy helps to change the way the suffering people think, which makes them feel better, CBT can help you to make sense of overwhelming problems by breaking them down into smaller parts. It is one of the most effective treatments for conditions where anxiety or depression is the main problem. It is the most effective psychological treatment for moderate and severe depression. It is as effective as antidepressants for many types of depression.