After lung cancer surgery, if there is insufficient lung qi, weak spleen and stomach and heavy dampness, one can take Ginseng Ling Bai Zhu San under the guidance of doctor. Ginseng Ling Atractylodes Macrocephalae is composed of ginseng, poria, atractylodes, Chinese yam, white lentil, lotus seed and Semen Coicis, etc. It has the effect of tonifying the spleen and stomach and benefiting the lung qi. It is used in treating weak spleen and stomach, loose food (thin and unformed feces), shortness of breath and cough, tiredness and fatigue. The adverse reactions and contraindications of Ginseng Ling Bai Zhu San are not exact; avoid indigestible food. It should not be taken after cold and flu, and if there is no effect in 4 weeks, the medicine should be stopped and timely medical treatment should be sought. It is recommended that postoperative lung cancer patients should consult doctor for dialectic medication according to their own conditions, and do not take medicines by themselves to avoid delaying the condition.