Itchy and painful foot joints are mainly local sensory abnormalities, and both itchy and painful symptoms belong to a type of sensory abnormality, often due to various causes of local sensory abnormalities. There are several common causes: the first reason is that the foot is stimulated by adverse physical and chemical properties, such as cold stimulation or sudden cold or hot stimulation, including local allergic reactive stimulation can produce itchy and painful joints of the foot. The second cause can be seen in poor local blood circulation, due to injury, strain or occupational compression, resulting in poor local blood circulation, local venous blood flow obstruction, metabolic product accumulation, stimulating the production of such symptoms. The third cause can be seen in systemic diseases that cause changes in the body’s internal environment, such as diabetes mellitus, which can cause local neuritis due to complications of diabetes mellitus, poor blood circulation, and tissue ischemia, which can produce the corresponding symptoms.