Edema of the lower limbs can be treated with moxibustion by selecting acupuncture points according to different conditions. Lower limb edema can be caused by many factors, such as spleen and kidney yang deficiency (deficiency of yang qi in the spleen and kidneys), fluid transportation is not possible, stopping and gathering; cold stagnation, phlegm and dampness stagnation, etc. or qi deficiency and blood stasis, resulting in meridians and collaterals are blocked, fluid operation is not normal and occurring. Moxibustion can be used to dredge the meridians, warm yang and disperse cold (warm yang qi, dispel cold), activate blood circulation and eliminate blood stasis (promote blood circulation, eliminate blood stasis) and other effects. For lower limb edema, moxibustion treatment can achieve certain therapeutic effect, such as yang deficiency, kidney Yu, Guanyuan, etc., cold stagnation can be selected Yinlingquan, Guanyuan, etc.; phlegm-dampness, Fenglong, foot Sanli, etc.; qi deficiency and blood stasis can be selected Sea of qi, Sea of blood, etc.. Moxibustion treatment of lower limb edema can have some efficacy, but can not be relied on, if necessary, should also be combined with other therapies, acupuncture point selection and moxibustion operation should be carried out under the guidance of professionals, should not be unauthorized selection of acupuncture point operation.