The perforator flap has become a research focus in plastic and reconstructive surgery, and choke vessels is the emphasis and difficulty in the study of perforator flap. In this paper, the recently published literature at home and abroad about the choke vessels dilation was reviewed and summarized. The research of choke vessels is mainly about the morphology, and chemical activation of TRPV4 as a therapeutic target may promote the dilation of choke vessels.