Chinese people have the habit of eating small pupae since ancient times. If you eat unfresh small pupae, it can lead to poisoning, and its toxic symptoms are as follows: 1. Some of them may become dehydrated due to vomiting and diarrhea, and may suffer from oliguria and shock, etc. 2. After eating chrysanthemum seed poisoning, central nervous system damage and muscle nerve damage of the limbs may occur, resulting in severe headache, dizziness, coma, delirium, unstable walking and contracture of the limbs, which can seriously affect normal activities.