The toe is swollen and painful when touched, and the following causes are common: 1, local trauma: toe injury can easily occur during strenuous exercise, and foreign object smashing can also cause toe injury or even fracture, and the patient will have significant local swelling and pain, and the pain is more pronounced when touched, and the presence of a fracture is sometimes found when X-rays are taken, and early cold compress treatment, braking rest, and elevation of the affected limb will make clinical Symptoms will be relieved. 2. purulent infection: purulent dactylitis occurs in the toe, which can cause localized purulence and lead to localized pain and swelling, and can also aggravate painful symptoms when touched. If pulsatile changes occur, surgical treatment is required to completely drain the pus and remove the necrotic tissue until it is completely healed to fully recover. Therefore, swelling of the toe and pain that is evident when touched should be diagnosed and treated early to avoid producing severe osteomyelitis leading to serious consequences.