Solutions to cats who are not eating and are in a bad mood:

1. Cats eating too much can cause indigestion, and they may also not eat and be in a bad mood. In this case, the owner should fast for half a day and then feed the cat some easily digestible food.
2. If the cat arrives in a new environment or is frightened, it will have a stress reaction, become listless and not eat, and the owner should calm it down in time.
3. If a cat is infected with parasites, it will also suffer from poor appetite and poor mental status. The owner must deworm the cat regularly.
4. If a cat catches a cold, it will also affect the cat's appetite and energy. The owner should feed the cat pet cold medicine and take measures to keep it warm.
5. If the cat has hair balls in its belly, it will also lead to reduced appetite and lack of energy. You can feed the cat some hair removal cream or cat grass.