Fingers swollen after eating radish, first consider the patient is eating radish after allergy, whether there is trauma. 1. Allergy to radish: fingers swollen after eating radish, to determine whether the local redness, swelling and itching caused by allergic symptoms, consider the combination of previous history of food allergies, first of all, whether the radish allergy symptoms, it is recommended that do not scratch, pay attention to the observation of the redness and swelling, and pay attention to other parts of the body to observe whether there is a rash or itching. 2. Whether there is trauma: trauma can lead to swelling of the hand, at this time, pay attention to observe whether there is obvious pain after the activity, it is recommended to pay attention to maintain local braking, can be used externally to carry out the treatment of ointment, such as Yunnan Baiyao ointment for external use. When the swelling of the hand occurs, it is recommended to consult the general surgery department of the regular hospital, and when there is allergy, you can consult the dermatology department, so do not be negligent, in order to avoid delaying the condition.