A corset having an elastic pressing portion and a first venting portion, wherein the elastic pressing portion extends from both sides of the cortex to the back surface, and the elastic pressing portion is made of a plurality of elastic fabrics. It can absorb the adipose tissue accumulated in the abdomen and tighten the abdominal muscles, so that the user's waist and abdomen body shape curve is more perfect, and the first gas permeable part is woven by the elastic material of the breathable material, and can be used for the user's body. The hot air generated by the sweating is discharged, whereby the function of the elastic pressing portion and the first gas permeable portion of the present invention can provide a user with a comfortable shape of the body shape curve.一種塑身衣，其係具有一彈性加壓部及一第一透氣部，所述的彈性加壓部係由塑身衣的兩側延伸至背面，且彈性加壓部由多層彈性布料所製成，其可收束腹部堆積之脂肪組織，並緊實腹部肌肉，讓使用者之腰腹部體型曲線更趨完美，而第一透氣部為透氣材質的彈性布料所編織而成，可供以使用者身體因流汗所產生的熱氣排出，藉此，透過本創作的彈性加壓部以及第一透氣部的功能，可提供使用者舒適的塑造體型曲線的美感。
