This part of the sentence is correct and usable in written English. You could use it to describe a person's physical location or position in relation to a certain surface. For example: "The little girl was standing on the floor, with her eyes wide and an expression of surprise on her face.".
Large Dogs: With the dog standing on the floor, the assistant stands behind the dog's head and places a hand on either side of the head, to keep the dog facing forwards.
You see them resting on the arm of a bench at the station, or discreetly standing on the floor.
An unshaved bodyguard wearing a kaffiyeh scarf around his neck stood under the portrait, and there were several other bodyguards standing on the floor below the table.
It's a clothes freshener that you put in your closet, hanging on the wall or from the rod, or standing on the floor.
In those good old days there were real people standing on the floors of stock exchanges "making markets" in different stocks.
The floor of the lift was level with the shoulders of the staff standing on the first floor corridor.
Murphy--and nearly half of the Senate--spent nearly 15 hours straight standing on the Senate floor talking about one issue: gun violence.
Ludwig does not simply clarify my doubts with English writing, it enlightens my writing with new possibilities
Simone Ivan Conte
Software Engineer at Adobe, UK