First stop eating for one day to treat the cat's diarrhea. It is recommended to put probiotics or mommy's love into the water to regulate the gastrointestinal tract. Cats' gastrointestinal tract is fragile and it is normal for cats to have soft stools when changing food. However, if the cat has diarrhea, the owner needs to replace it with the original cat. Food, stop feeding this cat food. Cat food should be changed scientifically, and remember not to change it all at once.