A red piece of the white eyeball like bleeding is usually a bleeding under the conjunctiva of the eye, which may be caused by overexertion, trauma, transient elevated blood pressure, infection, etc. It usually does not produce other symptoms such as pain and does not require special treatment, and can subside on its own in 1-2 weeks. Attention should be paid to avoid rubbing the eyes, which causes duplex rupture of blood vessels.1. Overexertion: Common causes are staying up late, eye fatigue, dryness with spontaneous bleeding, or due to eye rubbing, coughing, sneezing, constipation and other triggers, resulting in rupture of small blood vessels under the conjunctiva and redness of the white eye. It usually does not require treatment and can absorb and subside within a few weeks. Hot water steam can also be used to smoke the eyes to promote the absorption of small blood vessels reflux; 2. Local trauma: If the red piece is relatively large in scope and lamellar, it may be combined with trauma to the skull fracture and should be carefully explored. Combined with cranio-cerebral trauma should go to the hospital for treatment to avoid brain damage, resulting in loss of body function, leading to serious consequences; 3, acute conjunctivitis: caused by viral infection, infection leads to embolism of the tiny blood vessels in the conjunctiva, the scope of the red white eye is relatively large, mostly seen in acute conjunctivitis, often combined with conjunctiva, eyelid swelling, increased eye discharge and other accompanying symptoms. And the case of infection leading to acute conjunctivitis, should do a good job of isolation protection, to avoid infecting others, can use oxyfloxacin, interferon and other eye drops for treatment; 4, high vascular pressure: the elderly or suffering from sepsis, purpura, hypertension, because of increased vascular pressure, the internal blood vessel wall of the eye is weaker, prone to white eye red piece like bleeding. In the case of physical conditions allow, you can properly stop the drug to relieve the symptoms.