There are various reasons for pain in the right toe, such as trauma, nail groin infection, strain, degeneration, etc. The specific causes are as follows: First, trauma: you need to rule out trauma, heavy bruises, crush injuries, all of which may lead to toe injuries or even fractures. Second, nail groove infection: If there is no trauma, you need to exclude the presence of nail groove infection, etc. Nail groove infection can occur at various ages, mainly local infection caused by ingrown nails in the nail groove area, often manifested as redness, swelling and pressure pain around the nail, there is no difficulty in diagnosis. Third, strain and degeneration: Some middle-aged and elderly patients need to bear part of the body weight of the second toe of the right foot due to long-term walking, and after walking for too long, the toe interphalangeal joints and tendons of the toes will have some strain and degeneration, resulting in pain. Fourth, rare cases: including benign tumors such as cysts of the toe bone, which may also cause pain. The specific cause of pain is best diagnosed with the assistance of an orthopedic surgeon.