Ginseng is mainly used to treat serious illness, chronic illness and blood loss, resulting in loss of vitality, mental fatigue and weak pulse; Poor appetite, less fatigue, vomiting and diarrhea; Shortness of breath caused by lung qi deficiency and cough weakness; Insomnia, dreaminess, fright, forgetfulness, physical weakness and sweating caused by deficiency of heart-qi; Thirst due to fluid deficiency, quenching thirst; Blood deficiency and sallow, dizziness; Impotence due to kidney deficiency, frequent micturition and exogenous qi deficiency.