Poor immunity is a western medical term for symptoms such as fatigue, pallor, insomnia and weakness of the limbs, which can be attributed to the category of deficiency disorders in traditional Chinese medicine, mostly caused by deficiency of qi and blood, and therefore can be regulated by taking oral Chinese medicines or the proprietary Chinese medicines Bazhen Pills and Yiqi Nourishing Blood Compound. 1. Ba Zhen Wan is composed of Radix Codonopsis, Atractylodes Macrocephalae, Poria, Glycyrrhiza Uralensis and other medicines, which has the effect of tonifying qi and benefiting blood, and is suitable for the treatment of symptoms such as yellowish face (yellowish color without luster), weakness of limbs and dizziness, etc., caused by the deficiency of qi and blood. 2. Yiqi Nourishing Blood Combination is composed of ginseng, astragalus, Radix et Rhizoma Ginseng, Radix et Rhizoma Ophiopogonis, Radix et Rhizoma Angelicae Sinensis and other traditional Chinese medicines, which has the effect of benefiting qi and nourishing blood (replenishing the body’s qi and blood), and it can improve the symptoms of shortness of breath and palpitation (accelerated heartbeat often accompanied by panic), lack of bluish color, and weakness caused by qi and blood insufficiency. The adverse reactions of the above two drugs are not clear. Avoid indigestible food when taking Yiqi Nourishing Blood Combination. It is recommended that people who are weak in qi and blood should be treated by traditional Chinese medicine practitioners, and should not take the medicine blindly.