Normal men do not need to take red ginseng. Men who suffer from qi deficiency and want to shed, weak pulse, insufficient spleen qi, sinking of middle qi, coughing and wheezing of the lungs, shortness of breath and lack of strength, and thirst due to injury of body fluid can take red ginseng by decocting under the guidance of doctor’s medical diagnosis or by combining it with other medicines after decocting. The efficacy of red ginseng is to replenish vital energy (replenish the root qi of the body), restore the pulse and fix the loss of blood (restore normal pulse and prevent the loss of substance), and benefit qi and blood (prevent bleeding by replenishing qi). It can be used for treating conditions such as weakness and desire for detachment, cold limbs and weak pulse, Qi not taking in blood, and bleeding from collapse and leakage (excessive menstrual flow or dripping), etc. It has a good therapeutic effect on men who are extremely weak and are about to experience detachment, cold limbs, weak pulse and desire for detachment, and Qi not taking in blood. It should be noted that red ginseng should not be used together with quatrefoil and wulingzhi. It is recommended to use Chinese medicines under the guidance of physician’s diagnosis, and should not be used on its own to prevent adverse effects.