The most common way to take lock yang is by decoction, and there is no best way to eat it. Lockyang is categorized as a yang tonic in traditional Chinese medicine. It is the dried fleshy stem of Lockyang, a plant of the Lockyang family, which is sweet in taste and warm in nature, and belongs to the meridians of the liver, kidneys and large intestine. Lockyang has the effect of tonifying kidney yang, benefiting essence and blood, moistening the intestines and relaxing the bowels. It is used for treating kidney yang deficiency (lack of yang energy in the kidneys), essence and blood deficiency, lumbar and knee impotence, impotence and slippery spermatozoa, and intestinal dryness and constipation, and other conditions. Lock yang is usually taken by decoction, but it is noted that lock yang should not be used by people with yin deficiency and yang exuberance, spleen deficiency and diarrhea (diarrhea caused by a weak spleen), or solid heat and constipation. Chinese medicine should be used by a Chinese medicine practitioner according to the patient’s specific condition, symptoms and other evidence to guide the use of symptomatic medication, if discomfort occurs, it is recommended to consult a doctor in a timely manner, and should not be used blindly on their own.