Red ginseng is a very good herbal medicine, suitable for some patients to take orally, specifically the following: 1, people with weak body, mostly seen in long time illness, thin body, after surgery or patients who are recovering from serious illness, can be supplemented with red ginseng for qi and blood. 2, suitable for people with long time brain work, relatively high mental stress and relatively weak physique, can apply red ginseng to strengthen brain, replenish physical strength and improve immunity, especially can be anti-radiation. 3. Red ginseng is more suitable for people with cardiovascular and cerebrovascular diseases and chronic diseases, including diabetic patients and stroke patients, and is properly applied under the guidance of doctors to promote patients’ metabolism. 4. Red ginseng can treat male impotence, so it is also effective for patients with male sexual dysfunction. 5. Red ginseng can treat people who are physically weak and frightened, especially those with prolonged insomnia and neurosis.