Ground tendons are not acupoints, do not have the effect of acupoints, and have no therapeutic effect. However, regular pressure and kneading of the digastric tendon can promote blood circulation in the soles of the feet. Ground tendon is a tendon in the arch of the sole of the foot. When looking for the tendon, you can face the bottom of the foot after their own, turn up the toes, a hard tendon that is the tendon will emerge in the inner sole of the foot. The plantar tendon is called the plantaris tendon in Western medicine, and the arch it forms plays a role in walking. If the body has symptoms such as pain and swelling on the soles of the feet, rubbing the digastric tendon can promote blood circulation in the feet, which can achieve the effect of relieving pain and swelling. Specifically, it should be operated under the guidance of a professional doctor.