The utility model relates to an underground continuous wall leads interim interior support system of wall, including many pin supporting member, every pin the supporting member includes the steel riser of two vertical settings, two three transverse link have been erect between the steel riser, three transverse link's both ends all with steel riser rigid coupling, transverse link is interpolation formula steel pipe. The utility model provides an underground continuous wall leads interim interior support system of wall can ensure that underground continuous wall leads wall construction and accomplishes and can not take place to warp during underground continuous wall steel reinforcement cage lower cage, simultaneously, regard it as instrument formula support system, both accomplished that ann tore the convenience open, the use is convenient, reduce manpower, material resources cost, reach the purpose of accelerating the construction progress, can repeated turnover use again.