Wu Tangmen's kungfu combines China's classic theory, with internal strength as the core. Pay attention to breathing guidance and have both form and spirit. This can improve the metabolism in the body, harmonize yin and harmony, dredge meridians, and thus achieve the purpose of health preservation, intelligence and longevity. Neidan health care not only embodies the unique technique of "dancing with Tao", but also embodies the unique technique of "showing martial arts with Tao". Wudang kungfu is governed by inaction, based on piles, moving like a snake and quiet as a mountain. Inner alchemy is a compulsory course for Xuanmen disciples. Due to the development of history and the difference between teachers and students. Form a different system of the five ancestors in the north and south. Although each has its own emphasis on training, its purpose is the same. "Long life and long knowledge" is the constant goal of every practitioner. There is a saying in the Wulin that "practicing boxing without practicing kung fu is empty", which shows the importance of internal strength and health preservation.