Low immunity belongs to the deficiency of positive qi in Chinese medicine, which needs to be prescribed according to the patient’s specific manifestations. For qi deficiency, we can use tonifying the middle Jiaozhong Yiqi (treating qi deficiency by tonifying the spleen) Pill, Gui Spleen Pill, and so on. 1. Tonifying the middle and benefiting the qi pill: composed of astragalus, codonopsis, atractylodes macrocephala, angelica, ascending hemp, etc. It has the effect of tonifying the middle and benefiting the qi. It is used for body fatigue and weakness, and prolapse of internal organs. 2. Spleen Pill: composed of Radix et Rhizoma Ginseng, Rhizoma Atractylodis Macrocephalae, Radix Astragali, Radix et Rhizoma Glycyrrhizae. It is effective in benefiting qi and strengthening the spleen (regulating the qi of the spleen and stomach), nourishing blood and tranquilizing the mind (stabilizing the mind and soothing the emotions by nourishing the blood). It is used for heart and spleen deficiency (weakness of both heart and spleen), shortness of breath and palpitation (rapid heartbeat, often accompanied by panic), insomnia and excessive dreaming, dizziness, tiredness and weakness of limbs, and loss of appetite. Patients are advised to seek medical advice and use the medication under the guidance of a doctor, do not take the medication on your own to avoid delaying your condition.