An operational information managing apparatus for use in a construction machine to manage operating situations of said construction machine, wherein said apparatus comprises: a first storage unit formed as a RAM for storing operational data regarding said construction machine; a second storage unit formed as a ROM for storing at least one program; and a control unit comprising a CPU for reading a data extracting program (120, 150, 160) from among said programs (120, 150, 160) stored in said second storage unit, characterized in that the operational information managing apparatus comprises communication means (3, 68) for receiving information data corresponding to a remote operation made at a remote terminal apparatus (6, 7) located remote from said construction machine via information communication from said remote terminal apparatus (6, 7) to said communication means (3, 68), and for transmitting information data, the second storage unit is adapted for storing • a first program for extracting a cumulative run time of an engine from among said operational data stored in said first storage unit, • a second program for extracting a per-part operating time per unit time from among said operational data stored in said first storage unit, and • a third program for extracting alarm data and snapshot data regarding a relevant alarm from among said operational data stored in said first storage unit; and the control unit is adapted • to read a data extracting program (120, 150, 160) from among said programs (120, 150, 160) stored in said second storage unit corresponding to information data on said remote operation made at said remote terminal apparatus (6, 7) and received by said communication means (3, 68), • to extract a top priority operational data from among said operational data stored in said first storage unit in accordance with said read data extracting program (120, 150, 160), and • to transmit said extracted top priority operational data to said remote terminal apparatus (6, 7) via information communication by said communication means (3, 68). a first storage unit formed as a RAM for storing operational data regarding said construction machine; a second storage unit formed as a ROM for storing at least one program; and a control unit comprising a CPU for reading a data extracting program (120, 150, 160) from among said programs (120, 150, 160) stored in said second storage unit, characterized in that the operational information managing apparatus comprises communication means (3, 68) for receiving information data corresponding to a remote operation made at a remote terminal apparatus (6, 7) located remote from said construction machine via information communication from said remote terminal apparatus (6, 7) to said communication means (3, 68), and for transmitting information data, the second storage unit is adapted for storing • a first program for extracting a cumulative run time of an engine from among said operational data stored in said first storage unit, • a second program for extracting a per-part operating time per unit time from among said operational data stored in said first storage unit, and • a third program for extracting alarm data and snapshot data regarding a relevant alarm from among said operational data stored in said first storage unit; and • a first program for extracting a cumulative run time of an engine from among said operational data stored in said first storage unit, • a second program for extracting a per-part operating time per unit time from among said operational data stored in said first storage unit, and • a third program for extracting alarm data and snapshot data regarding a relevant alarm from among said operational data stored in said first storage unit; and the control unit is adapted • to read a data extracting program (120, 150, 160) from among said programs (120, 150, 160) stored in said second storage unit corresponding to information data on said remote operation made at said remote terminal apparatus (6, 7) and received by said communication means (3, 68), • to extract a top priority operational data from among said operational data stored in said first storage unit in accordance with said read data extracting program (120, 150, 160), and • to transmit said extracted top priority operational data to said remote terminal apparatus (6, 7) via information communication by said communication means (3, 68). • to read a data extracting program (120, 150, 160) from among said programs (120, 150, 160) stored in said second storage unit corresponding to information data on said remote operation made at said remote terminal apparatus (6, 7) and received by said communication means (3, 68), • to extract a top priority operational data from among said operational data stored in said first storage unit in accordance with said read data extracting program (120, 150, 160), and • to transmit said extracted top priority operational data to said remote terminal apparatus (6, 7) via information communication by said communication means (3, 68).