Guiding and holding device for minimal incision foot surgery having: - at least one guide part which, in use, limits the region of operation of conventional surgical instruments; the guide part has at least one through hole for point guiding that forms a route in the plane of XY axes, this hole is through-type in the direction of the Z axis; the through hole - of the guide part has at least one upper wall with an angle "a" that limits the inclination in which the surgical instruments can be positioned, this angle "a" may vary along the walls in different values of angle "a"'; the upper wall is straight, concave, convex or varies along the wall, depending on the region of operation of the surgical instruments; the through hole - has a stopper that limits the depth to which the surgical instruments can be introduced; the through hole - has at least one lower wall which is oval-shaped or at angle "b", and which does not produce a limitation to the surgical instruments greater than the upper walls, and - an envelope which, in use, is held and fixed to the foot in which the surgery will be performed; the envelope is formed by at least two parts that grab the foot, the parts have conventional means for being joined with and separated from each other; the envelope has at least one through hole, in which the guide part is fitted in the proper position and orientation; the envelope and guide part have conventional joining means that allow its assembly and/or disassembly; wherein the guide part or the envelope have at least one drainage channel in the area in contact with the skin and connected to at least one through hole on the outside of the envelope; characterized in that the guiding and holding device further comprises at least one absorption area in at least one of the drainage channels, and standard absorbent material or culture media placed in the absorption area to analyze the sterilization of the surgical operation. - at least one guide part which, in use, limits the region of operation of conventional surgical instruments; the guide part has at least one through hole for point guiding that forms a route in the plane of XY axes, this hole is through-type in the direction of the Z axis; the through hole - of the guide part has at least one upper wall with an angle "a" that limits the inclination in which the surgical instruments can be positioned, this angle "a" may vary along the walls in different values of angle "a"'; the upper wall is straight, concave, convex or varies along the wall, depending on the region of operation of the surgical instruments; the through hole - has a stopper that limits the depth to which the surgical instruments can be introduced; the through hole - has at least one lower wall which is oval-shaped or at angle "b", and which does not produce a limitation to the surgical instruments greater than the upper walls, and - an envelope which, in use, is held and fixed to the foot in which the surgery will be performed; the envelope is formed by at least two parts that grab the foot, the parts have conventional means for being joined with and separated from each other; the envelope has at least one through hole, in which the guide part is fitted in the proper position and orientation; the envelope and guide part have conventional joining means that allow its assembly and/or disassembly; wherein the guide part or the envelope have at least one drainage channel in the area in contact with the skin and connected to at least one through hole on the outside of the envelope;