The dog’s hunger tolerance limit is 15-20 days, but water must be supplemented during this period. If the dog does not eat food or drink water, the hunger tolerance limit will be shortened to 7-10 days. Dogs are very tolerant. Hungry animals can persist for a long time if the dog is healthy. If the dog has a disease in the body and does not eat or drink, the dog's body will be difficult to support and the dog's death will be accelerated.