Under normal circumstances, it can be taken on an empty stomach and after meals, but if the patient’s spleen and stomach are weak, and symptoms such as abdominal fullness, nausea, nausea, nausea (lack of appetite, reduced food intake) may occur when taking Liou Wei Di Huang Wan in the morning on an empty stomach, it is not recommended to take it on an empty stomach. Liu Wei Di Huang Wan is composed of Radix Rehmanniae Praeparata, Cornu Cervi Pantotrichum, Mudan Pi, Rhizoma Coptidis, Rhizoma Zedoariae, Poria, and is used to nourish yin and tonify the kidneys, for the treatment of kidney yin deficiency resulting in lumbar and knee soreness and tenderness (a feeling of weakness and tenderness of waist and knees), dizziness and ringing in the ears, tidal fever of bone vaporization (a burst of heat, feeling that the heat is penetrating from the inside of the bone to the outside), night sweating (sweating abnormally after going to sleep, but sweating stops when waking up), spermatorrhea, and quenching of thirst. The adverse reactions and contraindications of this product are not known. After the occurrence of discomfort should promptly seek medical attention, under the guidance of physician’s identification and selection of medication, do not self-medication, in order to avoid delays in the condition.