Waterway board and water purifier

The utility model relates to the technical field of water purification, and provides a waterway board and a water purifier, the water purifier comprises the waterway board, the waterway board comprises a first waterway board body, a second waterway board body and a sealing structure, and the first waterway board body and the second waterway board body are connected and communicated; the sealing structure is arranged between the first waterway plate body and the second waterway plate body, and the sealing structure is used for sealing a connecting gap between the first waterway plate body and the second waterway plate body; wherein at least one of the first waterway plate body and the second waterway plate body and the sealing structure are subjected to integral injection molding, that is, the sealing structure is directly subjected to injection molding in a mold after the waterway plate is subjected to injection molding, and the waterway plate taken out from the mold after molding is a structure with the sealing structure, so that the procedure of manually mounting the sealing structures one by one is omitted; the assembly efficiency of the waterway board is greatly improved, and time and labor are saved.