First of all, check whether the dog's mental state is normal and whether there is diarrhea. If everything is normal, the dog is unwell due to a cold; if the dog is in poor mental state, has no energy, and has diarrhea. , it is the cause of the body's infection. There are many kinds of diseases in this case. It is recommended to send it to a nearby pet hospital for treatment to avoid the dog's deterioration and death.