Patients with qi deficiency, spleen deficiency and lung deficiency can use ginseng in water, but it should not be taken daily. Ginseng is not suitable for all cases of deficiency and it is recommended to consult a doctor before use. Ginseng has the effects of tonifying the vital energy (replenishing the body’s root qi), tonifying the spleen and the lungs (tonifying the spleen and lungs), generating fluids, and tranquilizing the mind and promoting intellectual development. Ginseng is mainly used for the treatment of central qi subsidence (deficiency of qi in the spleen and stomach, with the appearance of organs falling down), lung deficiency, asthma and cough, shortness of breath and fatigue, thirst, thirst, insomnia and forgetfulness, palpitation (rapid heartbeat, often accompanied by panic), palpitations (violent heartbeat, panic), blood deficiency and atrophy, impotence and uterine cold, etc. It is also used for the treatment of blood deficiency, heat, and dampness-heat. Ginseng is forbidden to be taken by those who have solid symptoms, hot symptoms and those who have internal dampness and heat and whose vital energy is not deficient. Ginseng should not be taken with tea. The effective dosage of ginseng in water is limited and generally cannot achieve the therapeutic effect. If there is any discomfort after drinking ginseng in water, it is recommended to stop using ginseng and seek medical advice promptly.