Blot up as much of the red wine as you can. Pretreat the stain. You can find a pretreatment, like OxyClean or Shout, where ever you buy your detergent. Wash the garment in hot water.
Start by blotting up as much of the stain as you can with a clean, dry paper towel. Then pretreat the stain. Then wash the garment as you normally would.