The application relates to a spray pipe assembly, a spray pipe device, and a toilet, comprising a pipe body having a mounting channel and a flushing device removably mounted at the front of the pipe body; the flushing device comprises a device main body with a mounting cavity, a flushing nozzle for flushing a human body and a flushing spray head for flushing a toilet cavity. According to the spray pipe assembly, the spray pipe device and the toilet disclosed by the application, the flushing device is integrated with a flushing nozzle and a flushing spray head, so that all the water pipes can be arranged in the pipe body, which saves the installation space, reduces the volume, simplifies the structure and facilitates the installation.