1, suffering from severe heart failure, myocardial infarction should not be foot bath. Any external stimulus may increase the burden on the heart. 2, before meals, 30 minutes after meals should not be foot bath. Foot bath foot vasodilatation, blood volume increases, resulting in a reduction in gastrointestinal and visceral blood, affecting the digestive function of the stomach and intestines. 3, patients with bleeding tendency or with blood disorders, when foot massage treatment, may lead to bleeding within the local tissues. 4, plantar massage should avoid skeletal protrusions and subcutaneous tissue less reflex zones, so as not to squeeze the periosteum, causing unnecessary damage. 5, after the bath, should immediately dry the feet, wear warm clothes to avoid catching a cold. 6, the foot bath, due to heat expansion of the blood vessels in the foot, so that the head blood supply is reduced, the patient may experience dizziness. At this time, the foot bath should be suspended, so that the patient lies flat for a few moments, the symptoms can disappear. Patients can also be given cold water to wash their feet, so that the foot vasoconstriction to relieve symptoms. 7, if the drugs used in the foot bath caused skin allergies, the foot bath treatment should be stopped immediately. If necessary, you can find a doctor for treatment.