The high temperature of the foot soaking water may lead to skin burns, lack of oxygen to the brain, itchy skin and other adverse effects. 1. Skin burns: the use of too high a water temperature for foot soaking, it may lead to foot skin burns, skin redness, swelling, stinging and other conditions, serious cases may also cause skin blisters, ulcers. 2. Brain hypoxia: when using too high a water temperature when soaking feet, will lead to lower extremity vasodilatation, accelerated blood circulation, most of the blood downstream, may cause ischemia and hypoxia of the brain, can show dizziness, palpitations (heartbeat accelerated, often accompanied by panic), panic and so on. 3. Itchy skin: too high a water temperature will destroy the oil balance of the foot skin, resulting in dry skin, followed by itchy foot skin performance. Therefore, it is not recommended to use too high a water temperature when soaking feet, high water temperature soaking feet after the emergence of uncomfortable symptoms, should consult a doctor in a timely manner, so as to avoid delaying the condition.