1, the definition of different: onion seedlings are onion seedlings, green onion is a vegetable type onion plants.

2, the appearance of different: onion seedlings green color, more tender, slender shape, length and color is more uniform, green onion is long and thick, white color, flat and hard leaves.

3, the use of different: onions grow out of the seedlings are mainly harvested as vegetables to eat; green onions as seasonings to use.