The name of this music is "Scary Child".

"Scary Child" is a horror-style electronic music created by the Korean music team Sound rush and released in 2014. After its release, the music topped the charts in many countries and regions, becoming a well-known horror electronic music piece.

The music features high-pitched screams and electronic synthesizer sound effects to create a terrifying atmosphere. At the beginning of the song, a child's scream can be heard, followed by continuous screams and creepy background music, which is extremely shocking and terrifying.

In addition to "Scary Child", the Sound rush team also created many other horror electronic music, such as "Scary Tree", "Scary Clown", etc.