Wu Ling capsule is usually taken orally, 3 capsules once, 3 times a day. Patients are advised to use the drug strictly according to the dosage of the instruction or doctor’s prescription. Wu Ling capsule is mainly used to treat the cardiac and renal disorders (cardiac fire, renal yin deficiency, dysfunction of the physiological functions of the heart and kidneys) evidence, the main manifestations of fatigue, forgetfulness, insomnia, dizziness, lumbar and knee soreness, etc., and is commonly used in the treatment of neurasthenia in the presence of the above symptoms. This product belongs to the Chinese medicine capsule preparation, the composition of the powder for the wuling fungus, drug instructions recommended to oral medication, generally available with warm water, individual patients may be nausea, fatigue, dizziness, drowsiness, itching, and other adverse reactions, generally disappear after stopping the medication. It is recommended that patients strictly follow the dosage instructions under the guidance of a traditional Chinese medicine practitioner, or follow the doctor’s instructions for medication.