Boil water, bring to a boil, add sliced or shredded ginger, cook for a while, add fish balls, Boil water and add salt to taste, peel off the old skin of celery and cut into small pieces, then serve, sprinkle with celery and drop two drops of sesame oil. Sprinkle a little pepper and the fish ball soup is complete! It is very suitable for international students who miss Taiwanese snacks. It is simple and inexpensive to make!