In general, our eyes can moisten by tears, which can make our eyes maintain a moist state. Once there are some foreign body get into your eyes, your eyeballs will be stimulated, and your will also have tears, at this time, you blink your eyelids, the foreign body can be rushed to the corner of your eyes, then you can use a clean handkerchief to get it out. You can also close your eyes, and use your hands pull your eyelids to make them have a gently vibration, which can make the foreign body wash out. If these methods can not help you, you can ask other people to turn over your eyelids, and find the foreign body, then use cotton swab gently wipe it out. If the foreign body is sticked to the cornea, you should go to hospital.