Vacuum the wool upholstery to remove any lose crumbs, hair or dirt.
Read the label on your wool upholstery. If it label has a "W," it is only safe to clean with water. "S" means you may use a cleaning solvent. "SW" means both solvent and water may be used. If it has an "X," only dry cleaning is recommended.
Dampen a clean towel with water or solvent, depending on the label code. Wipe any stain in a circular motion, working toward the center of the stain.
Rinse your cloth thoroughly and wipe again. Repeat this process until all stains are gone.
Apply a fabric protector safe for wool to the upholstery, according to label instructions.