Can old solid wood furniture be spray painted and recolored?

No.

Because of the old solid wood furniture, if the paint is not done well, the paint surface will fall off for a long time, because the new and old paint are layered.

Particleboard is generally pressed with melamine-impregnated paper on the surface, and since the paper can be printed, it can produce many decorative finishes to choose from. Solid wood particle board can choose the color, because a layer of film is pasted on the board, also known as decorative paper, there are different color styles, can be selected by consumers, the environmental protection of solid wood particle board also has a grade standard, generally can reach E1 level (formaldehyde emission standards are more environmentally friendly.

OK.

Wet with alkaline water first, remove the old paint film with a scraper, dry and polish, batch putty, sandpaper, and paint after several times of satisfaction, it is recommended to buy polyurethane paint.

But it's better to ask someone to do it, you can't do it well.

Old solid wood furniture, if you don't do it well again, it will lose the paint surface for a long time, because the new and old paint are layered.

It should be fine. It's best to find a professional painter.

Use sandpaper to sand off the old paint and apply a new one.

It can be done, but the reverse substrate must be processed first.

There is a way, buy paint and spray it yourself.