Same as the question
bitcoin halving is time when bitcoin price will rise up so high

that simple answer for us,but also not sure.
i found this article,and give us easy explanation,i can understand with it.
This event, the moment when the mining reward is divided by 2, is commonly called "Bitcoin halving". Other denominations are used: "reward drop", "reward halving", or simply "the halving" or "the Halvening" which is a popular meme among bitcoiners. When Bitcoin was created in 2009, the initial reward was 50 bitcoins.
www.thehalvening.com