How can I free or delete system data on my Hard drive?

Why is System storage on my Mac so high?
Can I delete System storage on my Mac?[System Data][1]

[Storage][2]

Cannot find or remove 70GB+ of "Hidden Space

image [1]: https://i.sstatic.net/LE4LF.png
[2]: https://i.sstatic.net/7P4NU.png
[3]: https://i.sstatic.net/CY91M.png

Solution

try clearing system apps cache.. go through each system application and try clearing cache of each application i've also gone with same problem system app clearing cache work for me try it once