Welding sparks in the eye can usually be treated by reducing friction, preventing infection and promoting epithelial repair. 1. Reduce friction: Reduce eye use, try to rest with both eyes closed to reduce the friction and pain caused by eyeball rotation. Minimize eye blinking to prevent photophthalmitis. 2. Prevent infection: use topical antibiotic eye drops, commonly used antibiotic eye drops such as levofloxacin eye drops. Can inhibit bacterial DNA rotase activity, thus inhibiting the replication of bacterial DNA, to achieve the role of antibacterial, to achieve the role of preventing infection. 3. Promote epithelial repair: local application of drugs to promote corneal epithelial cell growth and repair, such as recombinant bovine alkaline fibroblast growth factor ophthalmic solution, etc.; can also be added with preservative-free artificial tears, such as sodium vitreous oxide eye drops, etc., to accelerate the repair of the corneal epithelium to relieve pain. If the patient welding small sparks into the eyes, it is recommended to go to the hospital in time, under the guidance of the doctor for treatment.