People with kidney deficiency can take Liu Wei Di Huang Wan to tonify the kidneys, which can be taken all year round and is not limited to winter. LIU WEI DI HUANG PILL can nourish yin and tonify the kidneys and is used for dizziness and tinnitus, spermatorrhea and night sweating (sweating abnormally after falling asleep and stopping after waking up), lumbar and knee soreness and weakness (a feeling of soreness and weakness of the lumbar area and knees), ringing in the ears, bone vapor and tidal fever (a burst of heat, feeling that the heat is penetrating from the inside of the bones outward), and palmar heat, etc. It belongs to the syndrome of yin deficiency of the liver and kidney (deficiency of Yin and fluid in the liver and kidneys). Patients with kidney deficiency can use the drug in any season under medical supervision. Surveillance data show that Liuwei Di Huang Preparation occasionally has adverse reactions such as diarrhea, abdominal pain, nausea, vomiting, bloating, constipation, gastrointestinal discomfort, loss of appetite, itching, rash, headache palpitations (rapid heartbeat, often accompanied by panic). The drug should be used with caution in case of spleen deficiency and diarrhea (diarrhea due to weak spleen function). Children, pregnant and lactating women need to take under the supervision of a physician. It is forbidden for those who are allergic to the components of the product. Avoid spicy food while taking the medicine. The use of Chinese medicine to regulate the body must be identified by a Chinese medicine practitioner and should not be used arbitrarily.