Dreaming of beating a person is a sign of conflict in near future as per dream interpretation and meaning. The dream means you need to be careful while dealing with people. Avoid getting angry and try to see a bigger picture not narrow down just to the present moment. Dreams of beating a person and the person hitting back means fight in public or an argument getting out of control. It also means you will have to deal with an unexpected physical attack.
Dream of beating person you know means you will be cheated or you might be wronged. The dream means you will face problems in your relationships.
Dreaming of beating a strange person means incidents in a public place that might bring shame or legal problems. The dream is a kind of warning and asking you to avoid any situation that involves confrontation.
Dreaming of beating a person and you are happy or all smiling means you will get opportunity to defeat your enemies. You will overcome competition. Revenge will be taken by you.