After sulfuric acid enters the eye, you should scramble to rinse the eye thoroughly on the spot, you should flush it repeatedly with plenty of water and other water sources in situ, pay attention to flip the upper and lower eyelids, rotate the eye, fully expose the fornix, and wash out the sulfuric acid in the conjunctival sac thoroughly, you should pay attention to the flushing time should be more than 30 minutes, after flushing, you should immediately go to the nearest hospital ophthalmology, and you can see the doctor. Depending on how early or late it is, it can also be rinsed again. Acid burns have a coagulating effect on proteins, and at lower concentrations only have an irritating effect. Strong acids, at high concentrations, can cause coagulation and necrosis of tissue proteins, and the coagulated proteins can also act as a barrier, preventing the acid from penetrating into the deeper layers and causing relatively light tissue damage.