when waste together with sewage passing through the detachable waste collection box the sewage outflowing through the small apertures and the waste being left in the box whereby it is only necessary to take out the detachable waste collection box for dumping the trash each time cooking and cleaning are completed the sewage treatment system 71 being a rectangular box connected to the end of the drainage 60 its bottom being provided with a circular opening connected with a round stainless steel tube 73 the round steel tube 73 being provided thereon with threads for screwing with a hose and the round steel tube 73 having the function to discharge the sewage the drainage 60 and the sewage treatment system 71 are combined in one and finally all the sewage is discharged out through the round steel tube 73 the drainage 60 is lower than the tabletop 10 with an appropriate width and functions to enable the sewage trash and steamed rice grains resulted from cooking to flow with the sewage into the drainage for further treatment according to a portable and easy to clean kitchen stove of the present invention the platen 80 is of the same length as the tabletop 10 and.