The effects of earth ginseng are to tonify the qi and moisten the lungs, relieve cough and regulate menstruation, and it is often used in treating qi deficiency and fatigue, poor appetite, diarrhea, menstrual irregularities and other conditions. Earth ginseng, also known as earth ginseng and false ginseng, is the root of Sumac orchid, family Amaranthaceae. Its flavor is sweet, light, and flat in nature. It belongs to the spleen, lung and kidney meridians. Clinically, it is mainly used for the treatment of consumption, coughing up blood, dizziness, hot flashes (a burst of fever), night sweats (abnormal sweating after going to sleep and stopping after waking up), spontaneous sweating (involuntary sweating during the daytime, aggravated by sweating when moving a little), menstrual disorders, dysmenorrhea, and insufficient breast milk in mothers, etc. It can be used for the treatment of many kinds of diseases. Although earth ginseng can be used to treat a variety of diseases, it must be used on the basis of traditional Chinese medicine diagnosis. Moreover, there are some differences in the way of administering the drug for different diseases, so it is necessary to strictly follow the doctor’s instructions and use the right way of applying Panax ginseng in order to make the drug fulfill its due efficacy.