The red flesh inside the corner of the eye also becomes bigger may be caused by the inflammation of the lacrimal caruncle, pterygium, lacrimal caruncle cyst and so on. 1. Inflammation of the lacrimal caruncle: generally due to bacterial infection or prolonged late night and other causes of inflammation of the lacrimal caruncle, there may be symptoms such as eye congestion, fever, pain, etc., and also accompanied by the red flesh inside the corner of the eye also become larger. 2. Pterygium: pterygium is usually caused by malnutrition or exposure to dust, etc. Pterygium may have symptoms such as foreign body sensation, redness and congestion in the eye, usually pterygium will show red meat inside the corner of the eye getting bigger before it grows into the cornea. 3. Lacrimal caruncle cysts: Lacrimal caruncle cysts are usually caused by poor secretion of the glands at the lacrimal caruncle or abnormal proliferation of the cells at the lacrimal caruncle area, which may cause symptoms such as fever, pain, swelling, etc., and may also appear as red meat inside the corner of the eye getting bigger. It is recommended that patients find the red flesh inside the corner of the eye to become larger in time to go to the hospital, under the guidance of the doctor for standardized treatment.