The invention discloses an anti-landslip construction technology for a slope building concrete layer. The anti-landslip construction technology for the slope building concrete layer includes the following construction steps of firstly, rock stratum trepanning, secondly, anchoring section arrangement, thirdly, anchoring section grouting, fourthly, anchoring section grouting compaction, fifthly, pre-tightening section arrangement, sixthly, slope face base body pouring, seventhly, pre-tightening and anchoring, and eighthly, plugging. By the adoption of the anti-landslip construction technology, a slope body and a rock body foundation can be prevented from sliding horizontally, connection is stable and firm, and construction is easy and convenient.