Chen Tianji store is popular but "very prosperous", Chen Tianji in Guangzhou for decades only do three things, ancestral fish kayak, boat porridge and steamed pig powder sausage. Put live salmon in ice water to soak for several minutes, scrape the meat on the skin with a knife, peeled the skin and hot it after cold water, the fish skin naturally rolled up, and then mixed with sauces... This is the production process of Guangzhou old gourmet shop "Chen Tianji" fish skin, Chen Tianji also became the related word of fish skin.