Under normal circumstances, the heart of a woman is located in the lower part of the middle of the left chest. For an adult female of standard height and weight, the projection of the heart on the body surface has the following main locations: the upper left point is at the lower edge of the second rib cartilage on the left, about 1.2 cm from the left edge of the sternum; the upper right point is at the upper edge of the third rib on the right, about 1 cm from the right edge of the sternum; the lower right point is at the sixth sternal rib joint on the right; the lower left point is at the intersection of the fifth rib space on the left and the midline of the left clavicle, and the lower left point is also the The left lower point is also the site of the tip of the heart. Under normal circumstances, the human heart is basically similar to the size of one’s fist, roughly showing an inverted peach shape with a wide top and a pointed bottom, and the apical part of the heart is on the left front, and the base part of the heart is on the right back. A right-sided heart can also appear if a mutation occurs.