A portable excrement detection terminal comprising: an oscillator for generating a low-frequency wave; an excrement detection unit for radiating the low-frequency wave generated from the oscillator to a measurement target, and detecting excrement by taking the excrement as a medium; an electromagnetic wave signal amplification unit for amplifying an electromagnetic wave signal outputted from the excrement detection unit; a direct current conversion unit for converting an excrement detection signal amplified by the electromagnetic wave signal amplification unit into a direct current; an excrement detection discrimination unit for comparing the direct current obtained from the direct current conversion unit with a preset reference value, and outputting a result of the comparison as an excrement detection discrimination value; an excrement detection display unit for visually displaying detection of the excrement based on the excrement detection discrimination value outputted from the excrement detection discrimination unit; and wherein the excrement detection unit includes: a transmission unit mounted on a bottom surface of a printed circuit board on which an excrement detection component is mounted, to transmit the low-frequency wave; and a reception unit mounted on the bottom surface of the printed circuit board to receive the low-frequency wave, which is transmitted from the transmission unit, as the excrement detection signal, if the low-frequency wave is received through the excrement serving as a medium, wherein the excrement detection component is mounted on a top surface of the printed circuit board to operate as a ground. an oscillator for generating a low-frequency wave; an excrement detection unit for radiating the low-frequency wave generated from the oscillator to a measurement target, and detecting excrement by taking the excrement as a medium; an electromagnetic wave signal amplification unit for amplifying an electromagnetic wave signal outputted from the excrement detection unit; a direct current conversion unit for converting an excrement detection signal amplified by the electromagnetic wave signal amplification unit into a direct current; an excrement detection discrimination unit for comparing the direct current obtained from the direct current conversion unit with a preset reference value, and outputting a result of the comparison as an excrement detection discrimination value; an excrement detection display unit for visually displaying detection of the excrement based on the excrement detection discrimination value outputted from the excrement detection discrimination unit; and wherein the excrement detection unit includes: a transmission unit mounted on a bottom surface of a printed circuit board on which an excrement detection component is mounted, to transmit the low-frequency wave; and a reception unit mounted on the bottom surface of the printed circuit board to receive the low-frequency wave, which is transmitted from the transmission unit, as the excrement detection signal, if the low-frequency wave is received through the excrement serving as a medium, wherein the excrement detection component is mounted on a top surface of the printed circuit board to operate as a ground. a transmission unit mounted on a bottom surface of a printed circuit board on which an excrement detection component is mounted, to transmit the low-frequency wave; and a reception unit mounted on the bottom surface of the printed circuit board to receive the low-frequency wave, which is transmitted from the transmission unit, as the excrement detection signal, if the low-frequency wave is received through the excrement serving as a medium, wherein the excrement detection component is mounted on a top surface of the printed circuit board to operate as a ground.