Based　on　chi-type　entangled　states　and　the　two-step　protocol　[Deng　F　G,　Long　G　L　and　Liu　X　S　2003　Phys.　Rev.　A　68　042317],　a　quantum　secret　sharing　protocol　of　secure　direct　communication　based　on　chi-type　entangled　states　vertical　bar　chi(00)＞(3214)　is　proposed.　Using　some　interesting　entanglement　properties　of　this　state,　the　agent　entirety　can　directly　obtain　the　secret　message　from　the　message　sender　only　if　they　collaborate　together.　The　security　of　the　scheme　is　also　discussed.