Congestion of blood in the eyes after bathing is not necessarily caused by disease, but may also be caused by high water temperature, shampoo or shower gel stimulation and other external factors, excluding other factors, the eyes are still congested, may be due to keratitis, iridocyclitis and other diseases. 1. Physiological factors: if the water temperature is too high when bathing to stimulate the dilation of conjunctival capillaries in the eyes or by the shampoo or shower gel and other stimulation of the eye, the patient can appear after bathing eye congestion symptoms, and is not caused by disease. 2. Keratitis: If the corneal defense ability of the patient is weakened, resulting in some factors attacking the corneal tissue caused by the inflammatory reaction, usually leads to redness of the eye, eye pain and other symptoms, the bath can aggravate the inflammation, which leads to the patient’s eyes congestion after taking a bath, obvious symptoms. 3. Iridocyclitis: Iridocyclitis mainly leads to eye pain, photophobia, eye redness and other symptoms, bathing can aggravate the inflammation of the eye, so the patient may appear after the bath eye congestion symptoms. It is recommended that patients with significant bloodshot eyes after bathing and other discomforts consult a doctor to evaluate their condition and follow the doctor’s instructions for treatment.