The invention relates to a 
machine for harvesting corn, peeling corn husks and separating straws. The 
machine comprises a vehicle body, a corn header, a 
corncob elevator, a stem conveying device, a 
straw, a 
husk and pulp separation device and a corn storage 
bunker, and is characterized by further comprising a corn husker, wherein the 
corncob elevator comprises a first 
corncob elevator and a second corncob elevator, the first corncob elevator is connected with a corncob picking header and the corn husker, and the second corncob elevator is connected with the corn husker and the corn storage 
bunker. The invention further relates to a working method of the 
machine for harvesting corn, peeling corn husks and separating straws. According to the machine for harvesting corn, peeling corn husks and separating straws, and the working method of the machine, an elevating mechanism of a corn harvester is improved, the corn husker is added, and a mounting structure of a traditional corn husker is improved, so that the harvested corn can be further processed after separated from the straws, then the harvested corn is put in storage, and the labor intensity during field operation in the corn picking period is greatly reduced.