1, appearance: kelp is a banded seaweed, wider, thicker, dark green or brown color. Seaweed, on the other hand, is a thin and flat seaweed, showing dark green or black color.

2, texture: the texture of the seaweed is more tough, chewy, chewy, and has a certain salty flavor. While seaweed is more brittle, lighter in texture, and relatively light in flavor.