The symptoms of pain in the right foot may be caused by overexertion, such as heavy physical work, which may cause joint damage and may lead to pain in the heart of the foot. Some patients may develop gouty arthritis due to abnormal purine metabolism, especially after excessive use of foods with high purine content, which may cause elevated uric acid and thus induce gouty arthritis, and then the patient may easily develop symptoms of joint pain in the feet. Osteomalacia, osteoporosis and other diseases may also cause symptoms of joint pain in the feet, so further examination is needed to clarify the cause of this condition, and anti-inflammatory painkillers need to be applied for symptomatic treatment to relieve the symptoms of pain in the heart of the feet.