A measuring apparatus for measuring numeric information about a substance contained in at least one carrier selected from subcutaneous interstitial fluid and blood, comprising: a sensor section having a sensor configured to output a signal in accordance with the numeric information, a support film arranged to support the sensor, and adhesive film for affixing the sensor section to the skin of a user; and a computing section for disposal on a garment of the user, and configured to receive the signal outputted by the sensor and to perform computational processing based on the signal, the sensor comprising a deployed portion configured to be deployed under the skin and a base portion configured to be disposed on the surface of the skin, and the computing section being disposed so as to be isolated from the sensor section; wherein the sensor section comprises, as the adhesive film, two or more pieces of adhesive film having a first adhesive layer on one side, the two or more pieces of adhesive film are strip-like in shape and are capable of adhesion to both said sensor section and the skin through the medium of the first adhesive layer of the adhesive film in respectively different locations on an upper face of said sensor section, and the two or more pieces of adhesive film are arranged such that, in use, the deployed portion extends not through the adhesive film but through the support film and the base portion is disposed on the support film, the sensor is supported by the support film and the deployed portion is deployed under the skin; wherein the computing section is configured to communicate with the sensor section via wireless communication; wherein the sensor section includes a water impermeable film having a second adhesive layer on one side, the water impermeable film being formed so as to prevent the ingress of moisture to the base portion, the water impermeable film covering the base portion with the second adhesive layer facing the base portion, the second adhesive layer being configured to be in contact with the skin; and wherein the sensor section includes a signal transmitting unit connected to the sensor through a wire, and the signal transmitting unit is not covered by the water impermeable film. a sensor section having a sensor configured to output a signal in accordance with the numeric information, a support film arranged to support the sensor, and adhesive film for affixing the sensor section to the skin of a user; and a computing section for disposal on a garment of the user, and configured to receive the signal outputted by the sensor and to perform computational processing based on the signal, the sensor comprising a deployed portion configured to be deployed under the skin and a base portion configured to be disposed on the surface of the skin, and the computing section being disposed so as to be isolated from the sensor section; wherein the sensor section comprises, as the adhesive film, two or more pieces of adhesive film having a first adhesive layer on one side, the two or more pieces of adhesive film are strip-like in shape and are capable of adhesion to both said sensor section and the skin through the medium of the first adhesive layer of the adhesive film in respectively different locations on an upper face of said sensor section, and the two or more pieces of adhesive film are arranged such that, in use, the deployed portion extends not through the adhesive film but through the support film and the base portion is disposed on the support film, the sensor is supported by the support film and the deployed portion is deployed under the skin; wherein the computing section is configured to communicate with the sensor section via wireless communication; wherein the sensor section includes a water impermeable film having a second adhesive layer on one side, the water impermeable film being formed so as to prevent the ingress of moisture to the base portion, the water impermeable film covering the base portion with the second adhesive layer facing the base portion, the second adhesive layer being configured to be in contact with the skin; and wherein the sensor section includes a signal transmitting unit connected to the sensor through a wire, and the signal transmitting unit is not covered by the water impermeable film.