The possible reasons are as follows: 1. Affected by the temperature, 2. The body has fever and fever, 3. The body has diseases. The dog’s sudden ability to drink water is affected by the body, and the rise in external temperature Both high blood pressure and body heat will cause dogs to drink water frequently to achieve a cooling effect. If the dog at home is obese and can eat and drink, it is recommended that the owner take the dog to the pet hospital to check whether there is diabetes.