The tendon pain when walking on the right foot may be a physiological phenomenon caused by overexertion, or it may be caused by sprains, plantar fasciitis and other conditions. 1. Physiological phenomenon: usually patients do not pay attention to rest, often strenuous exercise, overwork, may lead to the patient’s right foot walking tendon pain, is a normal physiological phenomenon. 2. Sprain: It is usually caused by improper posture when holding weight, excessive twisting, accidental fall and so on. Patients usually have pain and swelling in the joint muscles, tendons and ligaments of the limbs, as well as limited joint movement, but no fracture or dislocation. Some patients may also feel tendon pain when walking on the right foot. 3. Plantar fasciitis: usually due to the plantar fascial tissue and its stops are repeatedly overloaded due to tension, and also with obesity, endocrine, occupational, age and other factors. General chronic plantar fasciitis patients pain is more fixed, mostly in the heel or plantar near the heel, and some patients can also walk on the right foot feeling tendon pain. It is recommended that when the symptoms of right foot walking feeling tendon pain, first exclude physiological factors, if it is caused by disease, but also need to actively seek medical treatment.