According to the holographic theory, the heart of the foot corresponds to the organs of the kidneys, where it happens to be the starting point of the kidney meridian Yongquan point, often massage the heart of the foot can be active kidney meridian qi, has the effect of strengthening the capital, prolonging life, can make the kidney essence sufficient, ears, eyes, energy, waist and knees strong, walking strong. At the same time, massage of the feet can also treat neurasthenia, loss of energy, tiredness, as well as insomnia, hypertension vertigo, diabetes, allergic rhinitis, menopause syndrome, as well as headache, dizziness, sore throat, urinary and fecal discomfort, pediatric shock, cholera turn tendons, etc., while the elderly asthma, waist and knee weakness, tinnitus, deafness also has a very good therapeutic effect. In addition, massage the heart of the foot also has the effect of cancer prevention and detoxification.