1; Remove the ointment from the pig's belly; 2; Rub the pork belly (slippery side) with salt and raw flour (flour is also acceptable), and then rinse it with clear water. 3; Put cold water in the pot (just flooded the pig's belly) and turn on and off the water. 4; Gently scrape off the "Song" on the surface with a knife (that is, the slippery thing is white) 5; Then cook pork belly with clear water. (Chopsticks can be inserted) Suitable for stewing and frying.