A method of controlling food cabinet is provided, the method includes steps of: receiving, by processor, a first instruction of controlling sliding door to close, and controlling driving device to start closing action of the sliding door based on the first instruction; controlling, by the processor, driving component to drive the fixed block so as to drive the first driving sheet to push the sliding door to close, thereby finishing the first stroke, wherein the first driving sheet butts against the sliding door during the first stroke; controlling, after confirming by the processor that the first stroke is finished, the second driving sheet to adjust to a state in which the second driving sheet butt against the sliding door; and controlling, by the processor, the driving component to drive the fixed block so as to drive the second driving sheet to push the sliding door to close, thereby finishing the second stroke, whereby the sliding door is entirely closed; wherein the second driving sheet butts against the sliding door during the second stroke.