Cut crab sticks, onion, zucchini, and carrot into bite-sized pieces.
Heat some cooking oil in a pot and stir-fry the onion, carrot, and zucchini.
When the vegetables are slightly cooked, pour in water and bring to a boil.
Once boiling, add soft tofu and crab sticks.
Beat the eggs and slowly stir them into the soup to cook.
Season with salt and pepper to taste.
Transfer the finished soup to a serving bowl.