This paper provides an overview of the three main types of anesthesia: general, regional, and local anesthesia. Each type of anesthesia is discussed in terms of its mechanism of action, indications, advantages, and limitations. General anesthesia induces a state of reversible unconsciousness and muscle relaxation, making it suitable for a wide range of surgical procedures. Regional anesthesia targets specific nerve pathways to block sensation in a localized region of the body while allowing the patient to remain conscious. Local anesthesia involves the administration of anesthetic agents directly to the site of surgical manipulation, resulting in reversible loss of sensation in a localized area. The paper highlights the importance of understanding the differences among these types of anesthesia to tailor anesthetic management to individual patient needs and optimize perioperative outcomes.