Wu Zi Yan Zong Wan is a Chinese medicine consisting of Fructus Lycii, Cuscuta, Raspberry, Wu Wei Zi and Psyllium, which is effective in tonifying the kidney and benefiting the essence, mainly for treating kidney deficiency and impotence and infertility. However, taking Wu Zi Yan Zong Wan indiscriminately may cause certain side effects, such as diarrhea, abdominal pain, nausea, vomiting and other gastrointestinal reactions, and may also lead to damage to liver and kidney functions, most patients can return to normal after stopping the drug. Patients with indigestion, fever, high blood pressure, heart disease, diabetes, etc., as well as children, pregnant women and people who are allergic to this product should use with caution. It is recommended to use Wu Zi Yan Zong Wan under the guidance of a physician or pharmacist to avoid side effects.