Breathable and waterproof cup cover and processing method thereof

The invention relates to a breathable and waterproof cup cover and a processing method thereof. The breathable and waterproof cup cover comprises a cup cover body, a plurality of breathable and waterproof micropores are formed in the cup cover body, and the micropores in the cup cover body are processed through a laser drilling method. The breathable and waterproof cup cover only allows gas to pass but does not allow liquid to pass. On the premise that the ventilation function is achieved, the problem of liquid leakage is solved, and the cup cover can be universally used for cold drink cups and hot drink cups; and in addition, the punching efficiency is high, and the punching precision is high. 本发明涉及一种透气不透水的杯盖及其加工方法，透气不透水的杯盖包括杯盖体，所述杯盖体上开设若干透气不透水的微孔，且杯盖体上的微孔采用激光打孔的方法加工而成，所述透气不透水的杯盖只允许气体通过而不允许液体通过，在满足透气功能的前提下，解决了液体外漏的问题，且可通用于冷饮杯和热饮杯，另外，打孔效率高，打孔精度高。