To take care of elderly dogs, owners need to pay attention to: First, strengthen the dog’s nutrition: when the dog gets old, its appetite will decrease and its nutrition cannot keep up. It is best to feed the dog old dog food to ensure that the dog’s needs are met. All the nutrients needed by the body at age; the second is to take care of the dog’s joints: elderly dogs generally have arthritis, so to protect the dog’s joints, you can give the dog some appropriate amounts of calcium tablets and often take the dog to bask in the sun; The third is to check the dog regularly: the dog's body will not be as good as before when it gets old. At this time, the dog needs to be sent to the pet hospital for regular check-ups to understand the dog's health status and to treat diseases immediately.