Zhi Bai Di Huang Wan is not necessarily related to morning erections, which are a normal physiological phenomenon of the human body and generally do not require special treatment. Zhi Bai Di Huang Wan is composed of Zhi Mu, Huang Bai, Shu Di Huang, Cornu Cervi (made), Mudan Pi, Shan Yao, Poria and Zedo. It has the effect of nourishing yin and reducing fire. Clinically, it is mainly used for the treatment of hot flashes and night sweating (abnormal sweating after going to sleep and stopping after waking up), dry mouth and sore throat, tinnitus and spermatorrhea, and short and red urine (small amount of urine with dark yellow color) caused by yin deficiency and fire exuberance. The adverse reactions and contraindications of Zhi Bai Di Huang Wan are not clear. If Zhi Bai Di Huang Wan is to be used, it must be used under professional medical supervision.