This report provides a comprehensive overview of Cognitive Behavioural Therapy (CBT) in a counselling context. It begins by outlining the key therapeutic principles that underpin CBT, emphasizing the interconnectedness of thoughts, perceptions, feelings, and actions, and the role of negative thinking in perpetuating problems. The report then details the main areas of focus within CBT, utilizing a five-part model including situation, thoughts, emotions, physical sensations, and behaviors. It also explores the 'third wave' of CBT, as defined by Hayes, and its emphasis on improving the quality and quantity of tasks. Furthermore, the report analyzes the support that CBT concepts and abilities provide to therapists, highlighting the importance of therapeutic alliance, collaboration, and active participation. The report also includes a discussion on the postulates described in humanistic psychology, with a focus on the integration of body, mind, feeling, and ability, and the importance of personal interaction. The report emphasizes the effectiveness of CBT for various mental health issues, including depression and personality disorders, and its role in empowering patients and enhancing their skills.