The sudden appearance of a red spot in the inner corner of the eye area is usually caused by a subconjunctival hemorrhage. Subconjunctival hemorrhage is a common disease in ophthalmology, and may occur in patients of any age. It is usually caused by rubbing the eyes, eye trauma, or violent coughing, sneezing, or constipation that leads to rupture of small blood vessels inside the conjunctival tissues, resulting in the formation of small flakes of hemorrhage, which does not cause any serious harm to the eyes, nor does it affect vision, and most of them do not have any self-conscious symptoms. Treatment can be in the early stage of the onset of the disease, usually refers to 48 hours, cold compress treatment to make blood vessel contraction to promote coagulation, after 48 hours of the onset of the disease, through hot compresses to promote rapid absorption of hemorrhage. A red spot suddenly appeared in the inner corner of the eye, it is recommended to go to the hospital in a timely manner, and follow the doctor’s instructions for treatment.