Excessive fire due to yin deficiency (excessive fire due to yin deficiency and insufficient essence): fornication, excessive lust and excessive essence deficiency lead to hyperactivity of yang due to yin deficiency. Excess of yang leads to hyperactivity of sexual desire and exuberance of yang; Yin deficiency means that water can't benefit the heart, fire and water can't help each other, heart and kidney are out of harmony, essence can't be opened, and ejaculation can't be performed. Therefore, patients with hypersexuality cannot ejaculate after long-term sexual intercourse. Impatience, restlessness and insomnia, accompanied by dreaminess, leg weakness, fever in hands and feet, dry mouth and throat, red tongue and rapid pulse. Treatment should nourish yin and reduce fire.

The prescription of Baizhi Dihuang Pill is: Radix Rehmanniae Preparata, Carapax et Plastrum Testudinis 15g, Rhizoma Dioscoreae 12g, Cortex Moutan and Poria 9g, Rhizoma Anemarrhenae, Cortex Phellodendri, Fructus Lycii, Semen Cuscutae 15g, and Carapax et Plastrum Testudinis 15g. Decoct with water. Chinese patent medicines: Baizhi Dihuang Pill and Liuwei Dihuang Pill.