Pink vomiting in cats may be caused by indigestion, intestinal scratches, viral infections, etc. You should first fast for 5-8 hours to reduce the burden on the cat’s gastrointestinal tract. After it slowly relieves, you can feed some probiotics. Help the cat regulate its gastrointestinal condition. If the cat’s condition does not improve, it is recommended to send it to a pet hospital for examination and treatment immediately to avoid serious dehydration and death.