It is clinically used for the treatment of symptoms of deficiency of the heart and spleen, shortness of breath and palpitations, insomnia and dreaminess, dizziness and lightheadedness, tiredness and weakness of limbs, and loss of appetite. It is composed of 12 herbs, including Astragalus and Radix et Rhizoma, which nourish the spleen and benefit the qi, and generate blood; Angelica and Longan nourish the blood and nourish the heart; Atractylodes and Radix et Rhizoma, which nourish the spleen and benefit the qi, and help Radix et Rhizoma to nourish the spleen, which are the subject herbs; Adjuvant with Sour Date Palm, Poria and Yuan Zhi, which nourish the blood and tranquilize the mind; Muxiang to regulate the qi and awaken the spleen, so that it can be tonified without stagnation; Ginger and Jujube, which harmonize the spleen and stomach to help biochemistry; Licorice to harmonize all the herbs; 12 herbs The 12 medicines are matched together to benefit Qi, strengthen the spleen and nourish blood to calm the mind. According to modern pharmacological research, Gui Shen Wan has anti-shock, regulates central nervous system, enhances immune and hematopoietic functions. Radix et Rhizoma Ginseng contains saponins, which have the effect of stimulating the central nervous system, enhancing the immunity and adaptability of the body, and increasing the content of red blood cells and hemoglobin; Radix Astragali contains coumarins, which have the effect of strengthening the contraction of the heart muscle and improving the immunity of the body; Angelica Sinensis and Atractylodes Macrocephala are rich in volatile oil, which can enhance the immunity of the body and tonify the blood to strengthen the body. In addition, those with phlegm and dampness, stagnant blood, and external evil, are contraindicated. Whether the medicine should be taken or not should be confirmed by a Chinese herbalist after diagnosis by looking, smelling, feeling, and consulting the four diagnoses.