After the patient is exposed to electric welding, the corneal epithelium of the eye is burned and necrotic and detached, resulting in the exposure of nerve endings, so the pain and foreign body sensation is very strong. After this situation, local treatment, wound protection or systemic medication, as follows: 1, local treatment: patients can local cold compresses, can relieve pain, local antibiotic eye drops, eye drops to promote epithelial repair, such as levofloxacin eye drops, recombinant human epidermal growth factor eye drops, after closing the eyes can be coated with eye ointment, play a lubricating role, or Beflexu and other play a lubricating role The pain in the eye will not disappear until the corneal epithelium is completely repaired, so pay attention to protection and no secondary infection. 2. systemic medication: if the pain is really intense, patients can also take oral systemic painkillers, such as Fenbid, which can also have a certain effect.