Standing for a long time ankle pain consider joint strain, rheumatoid arthritis, osteoarthritis, synovitis and other reasons. 1. Joint strain: the muscles and ligaments around the ankle joint are strained due to standing for a long time, and localized pain occurs, which can be alleviated by resting. 2. Rheumatoid arthritis: joint swelling is symmetrical, pain is obvious, joints are swollen and activities are limited. 3. Osteoarthritis: joint degeneration, cartilage wear and tear, narrowing of the joint space, resulting in joint pain when standing for a long time, and limitation of joint flexion and extension activities. 4. Synovitis: aseptic inflammation of the synovial membrane of the joints, hyperplasia, hypertrophy and secretion of fluid can cause ankle pain. Standing for a long time ankle pain need to go to the hospital orthopedics further examination, clear cause for treatment.