Edema of feet caused by lung cancer can be treated with proprietary Chinese medicines such as Jin Gui Ren Qi Tablet, Qifeng Wuyi Pill and Wuling Tablet, etc. Suitable proprietary Chinese medicines can be chosen according to the different identification of symptoms, and it is necessary to use them according to the judgment of physicians. 1. Jin Gui Kidney Qi Tablet: It is composed of ten medicines, such as Di Huang, Shan Yao, Cornu Cervi Pi, Mudan Pi, etc. It has the effect of warming kidney yang, transforming qi to move water (promoting the movement of qi to facilitate the movement of water and liquid), and is suitable for the oedema of the lower limbs or the whole body caused by kidney yang deficiency (yang qi deficit of the kidneys), which is reflected in the symptoms of lumbar and knee soreness, dysuria, and so on. 2. Seven-flavored Pill for Reducing Edema: This medicine is composed of seven flavors of medicines such as Yu Gan Zi, Bo Ling Gua Zi, Safflower, Gan Qing Qing Lan, etc. It can clear away heat and reduce edema, and is often used for heat edema, which is characterized by generalized oedema, thirst, scanty urination, shortness of breath, and ascites, with heat as the main manifestation. 3. Wuling Tablet: mainly composed of Poria, Zeloda, Poria, Gui Zhi and other five herbs, has the effect of warming yang and transforming qi (warming yang qi in the body), and promoting the flow of water and dampness. It is suitable for those who suffer from dysuria, edema, abdominal distension, vomiting or diarrhea, and thirst. It should be noted that the above Chinese patent medicines are only for symptomatic treatment. In case of foot edema caused by lung cancer, it is recommended to go to the hospital in time and choose the appropriate treatment method under the doctor’s evaluation, avoiding self-medication, so as to avoid medication that is not suitable for the symptoms and delaying the condition.