In an electrical characteristic measuring probe of the present invention constructed by assembling a plurality of probe parts, each comprising a base portion, a plurality of terminal portions extended outward from one end of the base portion, wiring patterns extended from a plurality of terminal portions onto the base portion respectively, and contact portions connected to the wiring patterns respectively, a plurality of thin plate-like probe parts are aligned such that respective thin-plate surfaces are placed in parallel with each other and the contact portions are directed in the same direction, and a plurality of probe parts and spacers are fixed by fixing means in a state that the spacer is arranged between a plurality of probe parts respectively.