First, pay attention to the temperature is moderate (the best temperature in 40 ℃ -45 ℃), it is best to let the water temperature according to the foot to adapt to gradually become hot. Second, the time in 30-40 minutes is appropriate, only to maintain a certain temperature and ensure that the prescribed foot bath time to ensure the maximum effectiveness of drugs. Third, before meals, within 30 minutes after meals should not be foot bath. Fourth, the foot bath treatment, some drugs can be used externally blistering, or local skin redness, itching. Fifth, the external treatment drugs used in the foot bath, the dose is large, some drugs are still toxic, so generally should not be imported. At the same time, after the foot bath treatment, the affected area should be washed and wiped dry. Sixth, in the foot bath, due to the foot and lower limb vasodilation, blood volume increases, can cause acute anemia of the head, dizziness, dizziness. Seven, there is bleeding and other symptoms of patients, should not be foot bath. Heart disease and frail people, foot baths should not be too long, generally no more than 10 minutes. Eight, 30 minutes after the massage shall drink warm water (kidney and heart disease patients can drink less at their discretion), in order to facilitate blood circulation, and a certain detoxification effect.