The human brain is an amazing and beautiful organ. It is an integral part of the human body, which controls all actions and postures. The brain uses air and makes life accessible. In this article, we will discuss the importance, structure, function, and general mental state of human brain. Brain, in a nutshell, is a creative active organ, which controls the general functioning of the human being. The brain drives human mental and physical activity and controls all life. It is governed by human thoughts, minds, emotions, memories, ideas and actions. The human brain, in a nutshell, is the cranial functional soft tissue that is divided into three main parts - the cerebrum, the midbrain, and the cerebrum. These parts play specific functional and regulatory roles in the brain. There are special connections between different parts of the human brain, which are important for a person's general mental state and related functions. Each section is described below: Periphery: This part of the brain controls mental processes, such as thinking, memory, perception, and personal emotional reactions. Madhyamarga: It is related to various mental states, such as attitude, mood, mood control and equanimity. Surface: This part plays an important role in cognition, judgment, consideration and control of activity. It controls and pacifies all the common mentalities of man. The human brain is a fully organized system that is central to our cognition, intelligence, memory, learning, problem solving, judgment and creativity. The brain has extraordinary abilities to control, plan and create, which is the main reason for the great achievements that have awaited mankind so far. Thus, the human brain is the ideal of a whole world, which becomes the main reason for the progress of human civilization. It plays a specific role in the planning and expression of our thoughts, creations and sciences and idealizes our humanity.