Foreign body sensation in the eyes may be caused by foreign body intrusion, dryness of the eye surface, eye inflammation and other factors, it is recommended to consult a doctor in a timely manner. 1. Foreign body invasion: such as dust, small insects, sand and other foreign objects into the eyes, can cause foreign body sensation in the eyes, generally remove the foreign body after the symptoms can be relieved. 2. Eye surface dryness: can be caused by eye fatigue, can also be caused by dry syndrome, diabetes and other diseases, due to the lack of lubrication of the surface of the eye, the patient may also appear in the eyes of foreign body sensation symptoms. 3. Ocular inflammation: such as conjunctivitis, keratitis, etc., some patients can be stimulated by inflammation of foreign body sensation in the eye, the patient is often accompanied by burning sensation in the eye, itching, photophobia, tearing and other symptoms. The patient’s eyes have been a foreign body sensation, should promptly consult a doctor, under the guidance of the doctor to identify the cause of the disease, and follow the doctor’s instructions for appropriate treatment.