The invention relates to a hidden urine bag, which comprises a valve body, a fixed part and a combination part； a storage part, which penetrates both ends to form a relatively connected combination part and a storage part. The storage part is combined with the combination part of the valve body, and the internal space of the storage part is a holding space； a foldable urine bag, which has an open end, and the open end is fixed And the foldable urine bag is folded in the holding space.Thus, the foldable urine bag is hidden in the small storage part, and with the use of the valve body, when the user goes out, he can open the valve body to urinate after finding the toilet, and then directly replace the new storage part and foldable urine bag, so that the user can go out for use conveniently.本創作係有關於一種隱藏式尿袋，包括：一閥體，有一固定部及一組合部；一收納件，貫穿兩端而形成相對連通的一結合部及一收納部，該收納件以該結合部結合在該閥體的該組合部，且該收納部的內部空間為一容置空間；一可收折尿袋，有一開口端，該開口端固定在該收納件之該收納部，並將該可收折尿袋收折在該容置空間中。藉此，將該可收折尿袋隱藏在體積小的該收納件中，並且配合該閥體的使用，可供使用者外出時，在找到廁所後，才打開該閥體排尿，之後並可直接更換新的收納件及可收折尿袋，因此方便使用者外出使用。
