Buy canned salmon, cucumber slices, Korean radish slices, sausage slices, shredded spinach and rice in the supermarket, all of which are cooked. Buy special sushi curtains and sushi seaweed in the supermarket, spread seaweed directly on the sushi curtain, add rice on the second floor, be sure to spread seaweed and compact it, put the cut ingredients at one end, and then roll it up. Press the sushi curtain while curling, otherwise it will fall apart when cutting, and roll the seaweed into strips. . However, there is also a kind of sushi, which is chopped rice and then wrapped in seaweed. I can't season it. . There is also a rice ball in which all ingredients are grouped together.