There is no relevant literature and reports indicating that patients will be sleepy when taking Liu Wei Di Huang Wan. Liuwei Di Huang Pill is composed of Radix Rehmanniae Praeparata, Radix Zedoariae Praeparata, Poria, Cornu Cervi Pantotrichum and Mudan Pi, etc. Its effect is to tonify the kidneys and nourish the yin and it is mainly used for the treatment of renal yin deficiency, dizziness, ringing in the ears, lumbar and knee soreness and tenderness (a feeling of soreness and tenderness of waist and knees), bone vaporization and tidal fever (a burst of heat, feeling that heat is coming from the inside of the bone to the outside), night sweating (abnormal sweating after going to sleep and stopping the sweating after waking up), and spermatorrhea and other disorders. Its adverse reactions and contraindications are not clear, cold and fever patients are not suitable for taking; avoid indigestible food during the medication. It should be noted that if the patient takes six flavors of dihuang pill appeared other discomfort, it is recommended to immediately go to the regular medical institutions, so as not to delay the condition.