With　the　rapid　development　of　mobile　Internet,　its　content　and　applications　are　becoming　more　and　more　abundant,　and　android　system　occupies　an　important　share　of　the　mobile　application　software　market.　Due　to　Android＇s　own　openness,　more　and　more　malicious　software　and　imitative　software　have　appeared,　and　users　are　also　facing　more　and　more　risks　in　operating　the　software.　Therefore,　the　credibility　of　the　mobile　application　becomes　a　pivotal　measure　of　its　quality　.　Credible　demand　analysis　analysis　is　one　of　the　key　steps　in　the　process　of　software　construction.　This　paper　presents　a　credible　demand　analysis　method　driven　based　on　risk　driven.