The study explores Daoist spiritual practices which aim to attain immortality using neidan (internal alchemy) methods. Using traditional writings and symbolic knowledge this book describes how practitioners altered body energies and mind to match universal laws. The text examines meditative disciplines along with dietary regimens and ritual movements to demonstrate their effectiveness in self-purification and the removal of physical barriers. Through the interpretation of celestial diagrams along with sacred geometry and allegorical language the text shows how practitioners saw the body as a vessel for spiritual growth. The book provides an approachable yet deep analysis of spiritual practices as they fit into Daoist philosophy which focuses on natural harmony and transcending dualistic thinking. The text dispels contemporary misunderstandings about Daoism to present it as an active and embodied practice rather than a passive philosophical tradition.