The dangers of foot soaking in the winter are mainly for people for whom the water temperature is not suitable or applicable, which can cause physical harm. Suitable water temperature foot bath for healthy people is generally beneficial. 1. The water temperature is not suitable: winter foot bath is not the higher the water temperature the better, especially for the elderly and lower limb neurological patients, the water temperature should be appropriate, otherwise the water temperature is too high easily lead to scalding phenomenon. 2. Not applicable to the crowd: if you suffer from diabetes and accompanied by gangrene of the lower extremities of the diabetic foot, or suffering from lower extremity atherosclerosis embolism and other people are not suitable for foot soaking. This kind of patients lower limb blood reflux is not smooth, soaking feet will lead to lower limb blood circulation accelerated, thus the phenomenon of local obstruction, will lead to subcutaneous bleeding or local pigmentation. For the above two cases, it is recommended to avoid foot soaking in winter, only the right people choose the right water temperature to soak their feet, can play a role in health care.