Disclosed is a liquid test device comprising: a liquid absorbing body 15 and a hydrophobic retaining body 20 that adheres tightly to the periphery of the liquid absorbing body 15 and cylindrically surrounds it. The liquid absorbing body 15 is formed into a shape of a long band having predetermined thickness and width, and the retaining body 20 includes a retaining base 11 that covers one face of the liquid absorbing body 15, a surface cover 19 that covers the other face of the liquid absorbing body 15, and side parts 13 that cover both sides of the liquid absorbing body 15. A liquid contact part 10e is provided at an end of the retaining body 20, an opening 23 for allowing the liquid absorbing body 15 to communicate with outside is provided on the retaining base 11 or the surface cover 19, and a scale 21 for measuring the amount of the liquid is provided between the liquid contact part 10e and the opening 23.
