The white one inside the pork waist can't be eaten. Pork waist flower in the middle of that white fascia called waist tao, is a gland, has a certain odor, its own role is to filter urine. Pork loin contains protein, fat, calcium, phosphorus, iron and so on. It has certain therapeutic effects, but should not be eaten for a long time. It is salty and flat, has the effect of tonifying the kidney and strengthening the body, and is effective in treating kidney deficiency and lumbago, edema of the body and face, spermatorrhea, night sweating, and deafness of the elderly. It is not suitable for people with kidney deficiency and cold. It is recommended that the pork loin first peeled, and then remove the waist shame, and then cut flowers, under the pot of boiling water heavy slightly over a little bit, the waist slices broken up and fished out, repeated once over the water, a little hot that is, out of the pot, drain the water. This can remove the odor.