Blood clots in the eyes after drinking alcohol may be due to blood congestion in the eyes caused by vasodilatation due to alcohol, or subconjunctival hemorrhage due to rupture of conjunctival blood vessels. Alcohol has a certain effect of vasodilatation, after drinking alcohol can lead to conjunctival vasodilatation and congestion, which is manifested as blood clots in the eyes. Large amounts of alcohol can also lead to spontaneous rupture of the subconjunctival blood vessels bleeding, in addition, may also be due to drinking in the local blood vessels dilated on the basis of a slight squeeze or collision, thus causing subconjunctival hemorrhage performance. In most cases, blood clots in the eyes after drinking can be absorbed on their own without special treatment. If the blood clots do not go away for a long time or are accompanied by other discomforts such as abnormal vision, then it is recommended to consult a doctor.