Patients with tendon pain in the middle of the foot, the following common causes: First, plantar muscle strain: such as prolonged standing and walking, will lead to strain on the plantar muscles, the patient will show more intermediate pain symptoms, usually soreness, swelling and pain, the patient has difficulty to continue walking. Second, plantar plantar fasciitis: mainly caused by excessive stress, patients usually like sports, such as basketball, soccer and other sports, prone to plantar plantar fasciitis. Patients will show localized pain in the middle of the foot with limited movement, and in severe cases, heel bone spurs may occur, which can be confirmed by taking X-rays. Patients with painful symptoms in the middle of the foot should be diagnosed and treated early in order to get complete relief of clinical symptoms, and attention should be paid to protecting the plantar musculofascial membrane to avoid strain and trauma.