In the original barbecue market, the production of waist is the whole waist directly on the fire grilled, the whole waist of the grilled relative to the small waist is difficult to do the outside of the burnt inside, because the waist is too large, making the whole waist inside and outside the flavor difference is too large, and another point of the waist of the market price of the waist is relatively high, so that the big waist of the market sales is not ideal.

The appearance of Wangjing small waist, just to make up for these two points of deficiency, Wangjing small waist will be the original whole piece of waist cut into small pieces, and then cut into slices of pork fat, will be wrapped up in a small waist, so that when baked, the aroma of fat can just cover the original waist of the foul smell.