Because of the confluence of flux and shunt of reflux,together with the impact of reclamation and surrounding projects,the port location in a branching intersectional sea area is special.The water flow is complicated in port water area and the port general layout has some particularity.This paper generally reviews the main influential factors of general layout of branching intersectional sea port,and carries out multi-plan comparison and demonstration of the quay line plan and reclamation scope.In addition,it also verifies the rationality of the scheme through tidal and current mathematical model tests and siltation analysis,and finally comes out with the general layout design adapting to the branching intersectional sea port.