Red ginseng is the dried ginseng after steaming, belonging to a kind of medicine for tonifying deficiency, with the effect of tonifying vital energy, tonifying the spleen, benefiting the lungs, and calming the spirit and the mind. Clinically, we often use red ginseng to treat the following diseases: 1, for the deficiency of qi after a long illness, the deficiency of yuan qi, the pulse is weak, shortness of breath and fatigue, etc., red ginseng is used to replenish yuan qi, restore the pulse and fix the loss; 2, red ginseng is one of the main medicines to tonify the heart, spleen, lungs, kidneys and used to treat the palpitation, chest tightness, and dazedness in the deficiency of heart qi, the deficiency of lung qi and the deficiency of gas and coughing, and fatigue and laziness; the deficiency of spleen qi and the deficiency of food, and thinning of stools; and the deficiency of kidney qi Cough, asthma, lumbar and knee weakness, impotence and spermatorrhea, etc. 3, red ginseng can be used to tranquilize the mind, can be combined with schizandra, maitake, etc. to treat insomnia.