Function:

1. Feed application: earthworms are rich in protein. It is best to feed fresh earthworms to poultry. It is a nutritious high protein feed.
2. Medical application: earthworm is a traditional Chinese medicine, which has the effects of antipyretic and analgesic.
3. Food application: people in some countries think earthworms are delicious dishes. For example, South Africa eats fried earthworms and Japan uses earthworms as pies.
4. Environmental protection application: earthworms can treat garbage and waste to produce high-quality organic fertilizer, and remove or reduce heavy metal pollution in soil.