The present invention relates to an ionic gel and a strain sensor comprising the same, wherein the ionic gel comprises a repeating unit that is not soluble in an ionic liquid and a repeating unit that is soluble in an ionic liquid, and a copolymer having microphase separation, In addition, it includes an ionic liquid complexed with the copolymer, and has an elongation of 300% or more. The ionic gel is a new superstretchable conductor, has excellent ionic conductivity and mechanical strength, is non-volatile, is stable for up to 10 days at room temperature (20 ℃), and is ionic without additional post-treatment processes. The gel itself can be used to configure the sensor, and it can be used as a stable human motion detection sensor even for hundreds of tensile strength tests.
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