Some swelling of the patient’s eyes may be caused by eye trauma, conjunctivitis, glaucoma, thyroid-related eye disease, etc. 1. Ocular trauma: frequent rubbing of the eyes, eyeballs by extrusion and collision, etc., because of mechanical stimulation, the patient may appear eye swelling, may also be accompanied by conjunctival congestion, photophobia, pain and other symptoms of discomfort. 2. Conjunctivitis: bacteria, chlamydia, fungi, viruses and other pathogens cause conjunctivitis, under the stimulation of inflammation, a large number of inflammatory substances exudate, the patient may appear conjunctival edema, congestion and other uncomfortable symptoms. 3. Glaucoma: Glaucoma patients because of the anterior chamber angle opening obstacles and other factors lead to abnormal aqueous humor circulation, a large amount of aqueous humor accumulation, the patient may appear intraocular pressure rise, the patient may appear eye pain, conjunctival congestion, edema and other uncomfortable symptoms. 4. Thyroid-related ophthalmopathy: some patients with hyperthyroidism have post-orbital fibroblast proliferation and secretion of a large amount of mucopolysaccharides and other substances, resulting in damage to the extraocular muscles and adipose tissues, which may cause eye protrusion, conjunctival edema and other symptoms. It is recommended that patients with obvious eye swelling should consult a doctor promptly to assess their condition and follow the doctor’s instructions for treatment.