In modern times, a single piece of Zhenwu Tang’s cannon appendage is generally referred to as nine grams. As the principal medicine of Zhen Wu Tang, epiphyllum is pungent, sweet and hot in nature, warming the kidneys and assisting yang (warming and tonifying yang qi of the kidneys), transforming qi to move water (promoting the movement of gases, thus promoting the movement of water and liquids), and warming the spleen and earth to warm and move water and dampness. Zhen Wu Tang has the efficacy of warming yang and promoting water circulation, and is used in treating yang deficiency and water flooding (deficiency of yang qi causing obstruction to the operation of water and fluid in the body), with symptoms such as fear of cold limbs and syncope, dysuria, palpitation under the heart, dizziness, twitching of muscles and muscles of the body, instability in standing up, heaviness and pain of the limbs, edema, especially below the waist, or abdominal pain, diarrhea, or coughing and vomiting, and other diseases. The adverse reactions and contraindications of this formula are not known. Upon the occurrence of discomfort, one should seek medical advice promptly and select medication under the guidance of physician’s diagnosis.