Whether there are worms in a cat can be judged by observing the cat's condition. Generally, when there are worms in a cat, the coat will be rough and dull, the gums will be white, diarrhea, black stools, vomiting, abdominal swelling, poor energy, Loss of appetite, malnutrition, etc. If the above symptoms appear, it means that there may be parasites in the cat’s body, and the cat needs to be dewormed in time to avoid affecting its health.