Every time you catch a cold, your ears will not breathe. What's going on?

Every cold ear will not ventilate, mainly due to cold-induced otitis media caused, may also be caused by pressure imbalance on both sides of the eardrum, need to actively deal with. If it is caused by otitis media, you can follow the doctor's advice to use anti-inflammatory drugs, if it is caused by the latter, you can do swallowing action.