1. Mosquitoes: Mosquitoes belong to Diptera and Mosquitodae, and are the most important medical insect groups.

2. Flea: It belongs to a completely abnormal flea, with thick and short antennae and sharp mouthparts, which are used for sucking.

3. Acari; It belongs to Acari, tickoidea.

4. Blood-sucking worms: also known as bedbugs, belong to Arthropoda, Insecta, Hemiptera and bedbugs.

5, leech: generally refers to leech, which has high medicinal value.