Phlegm-dampness may lead to impotence. Impotence is mainly caused by damage to the internal organs, deficiency of essence and blood or stagnation of evil qi leading to loss of nourishment of the zongjian. The disease is mainly located in the zongjian. Phlegm-dampness is one of the main pathological factors leading to impotence. Phlegm-dampness may block the meridians and channels, so that qi and blood can not be glorified in the zongjian, and ultimately lead to impotence, so impotence, scrotum dampness and itching, tiredness of the limbs, and thick and greasy tongue, etc. may occur. The formula can use Er Chen Tang as the basic formula, and add and subtract the application of identification. Er Chen Tang is composed of drugs such as half-summer, licorice, etc. It has the efficacy of drying dampness and resolving phlegm (removing phlegm in the body by drying dampness), regulating qi and harmonizing zhong (regulating the qi of the spleen and stomach, so as to make the functions of the spleen and stomach smooth), and it is mainly used for treating dampness-phlegm syndrome. The adverse effects of this drug are not known. Note that because of the dry nature of this formula, it should be used with caution for those with dry phlegm; and is contraindicated for those with vomiting of blood, thirst, yin deficiency and blood deficiency. In addition, the causes of impotence are many and complex, patients should avoid excessive worry, if the symptoms are serious, it is recommended to actively go to the Chinese medicine department of the hospital for consultation, do not take drugs at random, so as not to cause adverse consequences.