Abstract: The　test　results　of　large-grain　diameter　vibro　replacement　stone　column　in　situ　at　xinhui′s　Tianma　Port　of Guangdong　are　introduced.　　They　includes:①the　six　sets　of　shear　test　for　φ150cm　and　φ100cm　in　diameter　on　the　stone　column,②large-scale　slide　test,　and　③the　five　sets　of　loading　test.　　Directly　the　ideal　results　have　been　achieved　and　applied,　by　the　above　tests,　to　the　consolidation　of　soft　groand　of　10000　dwt　in　two　Quay　at　Tianma　Port　and　Dongguan　Shatian　Port.　　The　projects　have　been　achieved　completion　and　the　results　are　ideal.