The invention discloses a child paper diaper with a
urine detection function. The child paper diaper comprises a
urine isolating layer, an absorption core layer and an outer-layer paper diaper body from inside to outside; a
urine detection device is arranged between the urine isolating layer and the absorption core layer; the urine isolating layer is provided with an uncovering end embedded into a clamping sleeve arranged in the absorption core layer; the urine detection device comprises a detection circuit and detection test paper; the detection test paper comprises the
trace element detection test paper, the antibiotic detection test paper and the urine routine detection test paper and is formed by splicing a plurality of test paper with different detection items, and each
color recognition block corresponds to a detection result of each test paper. The invention further discloses a
trace element detection method. The child paper diaper is simple in structure and low in cost and can achieve the urine detection function to obtain
child health information and conduct long-term healthy state monitoring on a child by being combined with a mobile terminal to be used.