I have a mole removal scar in my my face since 2yr. It's a hole. Is there any solution for it? (photos)

You should seek the services of a dermatologist or plastic surgeon.  This scar can be made to look much better with modern surgical techniques and perhaps some filler.

There are certaily options to improve the look of your scar.  You can have the scar removed by excision, but this will leave you with another scar.  If done by an experienced surgeon, however, the look should be much improved compared to the depression that you have now.  You could also consider filling in the depression with a filler of your choice (juvederm, restylane, bellafill).  
I recommend scheduling a consultation appointment with a board certified facial plastic surgeon to further discuss your options.