Provided is an integrated compact intelligent power information collection module. The power information collection module comprises: a module base (6), a power access and voltage sampling unit (1) disposed on the module base (6), and a circuit board (4) connected to the power access and voltage sampling unit (1), wherein a test power cable (L) is clamped by the module base (6) and the power access and voltage sampling unit (1) so that the power information collection module engages the test power cable (L), and the power access and voltage sampling unit (1) pushes a pointed mechanism thereof to pierce an insulation layer of the test power cable (L) so as to sample a voltage of a conductive core (M) of the test power cable (L). The power information collection module is characterized by a compact size, a light weight and a low cost, and can be installed easily. Moreover, the invention can effectively monitor power utilization information and power quality of a power utilization loop branch, thereby realizing precise power utilization management.