A microvascular device for detecting the blood flow velocity and the diameter of the microvascular by at least one microvascular image of a finger subcutaneous tissue under test when the finger to be measured is placed in a finger groove, comprising: a computer having a display; and a processor; a charge-coupled device(CCD), electrically connected to the computer; and a microscope lens for capturing microvascular images via the microscope lens, wherein the microvascular images form a plurality of frames of digital images by the charge-coupled device(CCD), wherein the time continuous digital images are displayed on the display via the processor.一種微血管檢測裝置,待測一手指放在一指槽中,經由一手指皮下組織中的至少一微血管影像,檢測所述微血管的血流流速以及管徑,包含有:一電腦,具有一顯示器以及一處理器;一感光耦合元件,電性訊號連結該電腦;以及一顯微鏡鏡頭,經由顯微鏡鏡頭擷取所述微血管影像,該微血管影像由該感光耦合元件形成複數幀數位影像,其中時間連續的複數幀該數位影像,經由該處理器顯示於該顯示器。