After a cat eats a cockroach, it is best to induce vomiting immediately, and then observe the cat’s condition. If vomiting, diarrhea, poor spirits, or refusal to eat or drink occur, the cat needs to be sent to a pet hospital for treatment immediately to avoid causing Life-threatening; if the cat does not have any abnormal reactions after eating cockroaches, you can feed the cat some probiotics to regulate the gastrointestinal tract, and at the same time deworm the cat's body.