Paper diaper with detection function

The invention relates to the field of disposable hygienic products, in particular to a paper diaper with a detection function. The paper diaper comprises a diaper body, a urine detection part and a collection device. The diaper body comprises an absorption part; the absorption part comprises a surface layer, an absorption core layer and a bottom layer; the bottom layer is provided with a detection mounting position which needs to be actively opened; the opened detection mounting position forms a liquid channel for communicating the absorption core layer with the outside; the urine detection part is arranged on the opened detection mounting position and located on the surface of the side, away from the absorption core layer, of the bottom layer, and the urine detection part seals one side of the liquid channel so as to prevent urine from leaking out of the diaper body through the detection mounting position; the collection device is connected with one side, far away from the bottom layer, of the urine detectio