This chapter describes the guidelines for documentation of anesthetic care. Documentation is a material that provides official information or evidence or that serves as a record. Documentation in a medical record broadly includes a patient’s health history (present and past), examinations, investigations, interventions, and outcomes. This chapter covers the areas of services by anesthesiologists, regional anesthesia, documentation systems, and legal implications of anesthesia documentation. Anesthesia is a specialty involving a high risk of complications. Legal issues are encountered in anesthesia practice every now and then. Like any other medical record, anesthetic record is also a legal document and bears legal implications.