Differences in raw materials: the main ingredients of nori bao rice are rice and nori, etc., and most of the ingredients used are cooked food, such as eggs, ham sausage and meat floss, etc.; the raw materials used in sushi are mostly raw seafood, such as corn and cucumber sushi, unagi sushi and salmon sushi.

The flavors are different: nori wrapped rice is relatively light and is usually served only with egg broth; sushi is usually served with condiments such as green wasabi and Japanese soy sauce, and has a rich and varied taste.

Differences in shape: Nori Bunsen has a fixed shape, which is often customized to suit the individual, and there are not many styles; sushi is made with two types of rolls: inner rolls and outer rolls, and comes in a variety of shapes, which can be categorized as sushi, hand rolls, and inari-nushi, among others.