The dog shook his head when he saw it.

Dogs shake their heads when they read. The original intention of this network expression is to describe things or behaviors that make people feel speechless or helpless, just like seeing a dog shake its head. In fact, there are many reasons why dogs shake their heads. Here are some common ones.

1. Ear infection: Bacteria can easily multiply in dogs' ears. If it is not cleaned up in time, it will cause infection, causing dogs to shake their heads frequently.

2. Ear mite infection: Ear mite is a common parasite in dogs, which can reproduce in the ear and cause itching and inflammation. Dogs often shake their heads to relieve itching.

3. Allergic reaction: Dogs allergic to certain substances can also cause itchy ears, which in turn causes frequent shaking of the head.

4. Foreign bodies in the external auditory canal: when there are foreign bodies (such as grass seeds and screws) in the external auditory canal. ), the dog will keep shaking his head and try to bring it out.

Therefore, if your dog often shakes his head, it is recommended to check his ears first to see if there are any problems such as inflammation, foreign bodies or ear mites, and go to the pet hospital for treatment in time. In addition, pay attention to cleaning the dog's ears regularly to prevent ear infection.