2. Oil lettuce and lettuce leaves are both a kind of lettuce, but oil lettuce belongs to leaf lettuce and lettuce is stem lettuce. Oil-wheat vegetables are mostly tender buds of vegetables, similar to the sharp leaves of lettuce. The biggest feature of oil wheat vegetables is the existence of needles, which are thin and long, while lettuce leaves are only very thin, much shorter than oil wheat vegetables.

3. Oil-wheat vegetable tastes better than lettuce leaves, with crisp texture and refreshing taste, and contains a lot of dietary fiber and water.