The rectus abdominis is a group of muscles in the human body, which is located on either side of the midline of the anterior abdominal wall and resides in the sheath of the rectus abdominis muscle, which is a wide upper and narrow lower row of multiple abdominal muscles, starting at the pubic symphysis and the pubic crest, with the muscle fibers ending upward in front of the sternocarpal process and the 5th-7th rib cartilage. The entire length of the muscle is divided into multiple abdominal muscles by 3-4 transverse tendons. The inferior abdominal wall artery branches from the external iliac artery above the inguinal ligament, and two veins travel inward and upward with it, entering the rectus abdominis muscle from the outer edge of the rectus abdominis muscle at the arch, traveling between the rectus abdominis muscle and the posterior sheath, ascending to the umbilicus to become the terminal branch, and the terminal branch of the superior abdominal wall artery coming from the upper end of the rectus abdominis muscle, forming an extensive traffic branch around it.