Surely ,God exist. We can know God by all the things He made. Especially through the Bible. God is the Spirit. We can not see, but we can feel Him. The relationship with God is creator and creation, father and children, friends, bride and bridegroom, shepherd and sheep.
Does God really exist? How can we know that God is there? How do we know God? What kind of relationship does God have with us?
Yes，God is exist.
The Bible chapter 1:20 " For since the creation of the world God’s invisible qualities- his eternal power and divine nature- have been clearly seen, being understood from what has been made, so that men are without excuse.
We can know God through Natural revelation and special revelation.
Natural revelation is God’s creation and our soul.
Special revelation is Bible and Jesus.