If a kitten is bitten by a big dog and becomes depressed, it may be because it is frightened and has a stress reaction. At this time, it is best to check the kitten's body to see if there is any trauma. If there is any trauma, you need to help the kitten clean the wound and disinfect it. , and then apply the medicine, and at the same time put an Elizabethan ring on the kitten to prevent the kitten from licking the wound; at the same time, you must comfort the kitten, give it snacks or toys, so that the kitten can relax, and it will usually get better in a day or so.