If the cat is in good spirits and has no loss of vitality, the owner does not need to worry about diarrhea. The conditions that may lead to this state are as follows: 1. Affected by the weather, the cat catches a cold and has diarrhea, and the owner can keep the cat warm; 2. Eat If you change the food that has gone bad, or change the cat food of a different brand, it will get better after a few days of adapting; 3. If you change the place to a new place and develop a stress reaction, you can wait for the cat to stabilize and then recover.