The dog's ears are in a state of collapse, and there are various factors involved behind this. First of all, we need to be wary of the surprise attack of trauma. A dog's ears may be attacked by other animals, or they may be injured by an accident such as a door clamp, which may prevent their ears from standing upright. In addition, infection and lesions are also factors that cannot be ignored. Bacteria or fungi can take advantage of the weakness and invade your dog's ears and cause them to collapse. Furthermore, ear diseases such as otitis media and inner otitis may also contribute to a dog's ear collapse. Of course, other factors are also at work, such as calcium deficiency and genetics, which may also affect the morphology of dog ears. 
To detect if a dog's ears are collapsing, we first need to carefully observe its shape and state. Is it any different from usual? At the same time, pay close attention to your dog's behavior and performance, does it show pain or discomfort? In addition, it is also important to check your dog's ears for odor or abnormal discharge. 
Once the dog's ears are found to be collapsed, we should take corresponding measures according to **. If it is caused by trauma, we need to undergo debridement and give anti-inflammatory and pain-relieving medications. For the collapse caused by infection, we need to use anti-infective drugs and clean the dog's ear canal regularly. If the collapse is caused by an ear disease, we need to use antibiotics and other medications. As for the collapse of ears caused by other factors, supplementing the dog's calcium and adjusting the diet structure is the key. At the same time, keeping your dog's ears clean and dry and having regular checkups are also important care measures. 
If the condition is more severe, it is wise to seek help from a veterinarian in a timely manner. In terms of prevention, we should check the dog's ear health regularly. In addition, paying attention to the dog's diet is also an important way to prevent ear collapse. In order to prevent conflicts with other animals, it is also important to maintain indoor hygiene and clean your dog's ears regularly. In conclusion, this article elaborates on the causes, detection, treatment and preventive measures of dog ear collapse. Emphasizing the importance of prevention and early detection, pet owners are called on to pay attention to the health of their pets, and seek medical attention in time once abnormalities are found, so that their pets can stay away from illness.