The main pharmacological effect of Diosmin is to increase the elastic fiber of the valve, restore the elasticity of the valve and the elasticity of the vein, and improve the function of the vein in order to promote the recovery of venous disease. The effect of alcohol is metabolized into acetaldehyde in the body, and the effect of acetaldehyde is to dilate blood vessels and make blood stagnation, the two effects are contradictory to each other, not that there is a mutual effect between Diosmin and alcohol, which is not seen in the clinical data, but the two contradict each other during the treatment, resulting in the therapeutic effect of Diosmin weakened or disappeared. Therefore, alcohol should not be consumed while taking Diosmin tablets, and it is not advisable to consume it simply because it can cause damage to the liver and kidney functions of a person from the perspective of alcohol.