Each has its own advantages.

According to relevant information on Dianping.com: Fish fillet porridge is made from fish fillets. The cooked porridge is delicious, delicate in texture, rich in nutrients, and has the functions of nourishing qi and blood, strengthening the spleen and stomach. Fish belly porridge uses fish belly as raw material. The cooked porridge is delicious, fresh and tender, rich in nutrients, and has a nourishing and health-preserving effect. Whether it is fish fillet porridge or fish belly porridge, they are both nutritious, delicious and simple to cook.

If you like a more delicate texture and delicious taste, you can choose fish fillet porridge. If you like a more tender texture and nourishing effect, you can choose fish belly porridge.