The position of the center of the foot feels raised and pinched, which may be related to osteophytes, tenosynovitis, and skin lesions. 1. Osteomalacia: due to heavy physical labor, excessive weight, malnutrition, etc.. Osteomalacia: due to heavy physical labor, overweight, malnutrition, etc., some bony protrusions in the foot are caused, forming osteophytic lesions, which may cause the foot to feel raised and pinched in the center of the foot. 2. Tendovaginitis: The patient’s foot is injured locally due to excessive squeezing or excessive walking, resulting in tendovaginitis of the plantar flexor tendon. It may form tendon sheath adhesion, tendon swelling and discomfort in the center of the foot. 3. Skin lesions: some patients with long-term pressure on the soles of the feet or friction, resulting in excessive plantar keratin hardening, followed by corns, calluses and so on. In addition, foot hives, herpes simplex infection, etc., can also lead to localized swelling of the foot, the symptoms of discomfort in the center of the foot. When there is a feeling of bulging in the location of the ball of the foot, it is recommended that the patient seek medical attention to further clarify the cause of the disease, and under the guidance of the doctor to carry out targeted treatment or treatment.