Diabetes is a chronic disease, but also a systemic disease, sometimes complex changes in the disease by simple oral or intravenous drug injection treatment, can not meet the needs of disease treatment, if the choice of traditional Chinese medicine external treatment method, can greatly alleviate the pain caused by the patient’s disease. In chronic complications of diabetes mellitus, some neuropathy and vascular disease, if you choose the Chinese medicine bath method, the active ingredients of Chinese medicine enter the body through the skin and mucous membrane to play a role, reduce the drug to the digestive tract stimulation, reduce the burden on the liver and kidneys, and the effective concentration of drugs in local tissues is significantly higher than other parts, which is a unique and effective way of drug delivery. For example, in diabetic peripheral neuritis, lower limb vasculopathy, etc., early diabetic foot, treatment by herbal fumigation can regulate qi and blood, dredge meridians and channels, and the drug penetrates through the skin to reach the lesion directly, improve local blood circulation and nerve conduction, so that symptoms such as numbness, pain and chills in the limbs can be relieved. The medicinal bath can be divided into whole body bath, head and face bath, eye bath, hand and foot bath, sitz bath and local immersion bath according to the different purposes of treatment. The specific application also depends on the specific disease, physical strength, and the identification of disease or evidence to select the appropriate medicinal bath formula. According to the guidance of Chinese medicine theory, our department has carried out the special treatment program of Chinese medicine fumigation foot bath, which has achieved very significant effect on some diabetic peripheral neuropathy, vascular lesions such as lower limb arteriosclerosis, vascular occlusive disease, and even early diabetic foot. A special reminder is that for diabetic patients, the most important point of the bath is to control the water temperature. As the patient may be accompanied by extremity neuropathy, there will be sensory impairment and sensory abnormalities. Do not let the water temperature be too high to cause burns, and let professionals operate if necessary. Chinese herbal lotion has no significant toxic side effects on the human body safety is high. It can be said that diabetic patients choose herbal fumigation foot bath as an auxiliary treatment for diabetic chronic diseases.