Why my samsung galaxy 5s getting so hot even i dont do anythin on it?

[AC Question]

batter dyeing very fast .It good only for 3 h. with phone is not use.

 

[srkmagnus]

batter dyeing very fast .It good only for 3 h. with phone is not use.

You likely have something running in the background that is causing the device to not sleep when powered off and is also draining the battery. I'd suggest a factory reset. Be sure to backup and sync accounts before hand.