If swelling of the finger occurs when the barb is pulled, this condition is a sign of nail fungus and requires anti-inflammatory to treat. Suggestions: First, apply iodophor, 2-3 times/day. Second, see if there are any symptoms of infection. If there is redness and pus around, you need to take oral amoxicillin if necessary, plus metronidazole, 3 times a day, 2 capsules each time, for about 3-5 days, the anti-infection effect is still very good. Third, it is recommended to eat more fruits or vegetables, do not eat sour, spicy stimulating food, do not stay up late, exercise more, refrain from smoking, drinking, improve their own resistance, which is also helpful for recovery. If there is fingertip inflammation or pus, this situation should be added with local hot compresses, baking electricity treatment. After disinfection with alcohol, you can apply topical medication, such as ichthyolite ointment, or Ruyi Jinhuang ointment. If the pus is relatively large and forms a fluctuating sensation, surgical incision is needed to change the medication treatment, and usually pay more attention to observation.