My little finger nails are shorter than ordinary people, but thicker. For this reason, I have been very worried. Is there any way to make it longer, or where to operate it better?
I don't think it's necessary. The girl in the dormitory next door has ten fingers like this. Her nails are very short, about half that of normal people. No big deal. This is just one of many nail types. Don't take it too seriously.
If you must do it, the more formal the hospital, the better.