The utility model relates to a super high -rise building's unearthed landing stage of totally enclosed shoring of trench, include: prop up a first way supporting beam who locates annex construction region, annex construction region is located tower construction region's the outside, with the supporting beam apron that a first way supporting beam connects, supporting beam lap in annex construction region department forms stacks the platform, and prop up and locate a first way annular supporting beam at tower construction region border, annular supporting beam with first way supporting beam with prop up supporting beam cover connection. Formed through supporting beam apron and stacked the platform, provide placing of material and course for the job site when having solved tower construction region's construction progress. And supporting beam apron is connected with a first way supporting beam and first ways an annular supporting beam, has formed holistic supporting construction, can strengthen the annular supporting beam's of propping up of first way intensity, provides safe guarantee for tower construction region's construction.