Chai Hu Gui Zhi Gan Jiang Tang is not usually used in the treatment of premature ejaculation. This formula is mainly used in treating Shao Yang (one of the six meridians of Typhoid Fever, with the location of the disease between the surface and the interior) syndrome of Typhoid Fever. Chai Hu, Gui Zhi, Gan Jiang Tang is composed of Chai Hu, Gui Zhi, Gan Jiang, and Smallpox Powder, etc. It can reconcile Shaoyang (treating exogenous heat illnesses in which the evil is between half-epidermal and half-river), and warm yang and resolve drinking (warming yang qi in the body to promote water and fluid metabolism). Chai Hu Gui Zhi Gan Jiang Tang is used for shao yang syndrome of typhoid fever, with cold and heat to and fro, heavy cold and light heat, fullness in the chest and ribs, dysuria (unsmooth urination), thirst without vomiting, but sweating out of the head, heartburn, or but cold without heat. Premature ejaculation is one of the common male diseases in clinic, and it needs to be treated with differentiation of evidence, such as six flavors of dihuang pill for kidney yin deficiency, and jin gui ren qi pill for kidney yang deficiency. It is recommended that patients with premature ejaculation consult a doctor in a timely manner, under the guidance of the doctor for treatment.