How to do when bitten by a dog

In recent years, more and more people have dogs, and dogs have successfully turned from housekeeping animals into pets comparable to relatives. It is often said that dog bites are not news, but why now dog bites are frequently in the news? Because the dog can not control themselves behind the owner is not conscious of the leash, by not knowing when the mouth of the dog will hurt people in the community, the streets at will, so the first, the second, the first countless dog bites people appeared. So what should be done after being bitten? There is no doubt that the wound must be dealt with first, and how to deal with it? Please see this guide below!