Yes Midrib refers to the Yin point and Baihui point of human body, and two straight lines are the midrib of human body. So it's pants that just cover people's yin points and Baihui points. By inquiring about the relevant information of the British princess, it is known that the abdomen pants of the British princess are abdomen in the midvein. Belly pants, a double-layer pressure structure of elastic and inelastic fabrics, push the fat of the lower abdomen to the groin for heat consumption, forming a flat lower abdomen.