The invention discloses a method for preparing nutritional honeyed polygonatum odoratum, wherein the method comprises the following steps: selecting and classifying polygonatum odoratum rhizome according to the length and thickness degree, then respectively drying, selecting fresh polygonatum odoratum without lesions, washing cleanly, and removing impurities of the polygonatum odoratum; unhairing, rubbing, removing polygonatum odoratum fibrous root hair, silt and rough peel to be clean, allowing the interior to have no hard cores, making color and luster golden yellow, making the polygonatum odoratum semitransparent, then putting the polygonatum odoratum in clear water, and soaking; putting the soaked polygonatum odoratum into a freeze drying device, and carrying out freeze drying; quickly putting the freeze-dried polygonatum odoratum into a steamer, and steaming; taking out the steamed polygonatum odoratum, pressing, and collecting a pressed polygonatum odoratum juice for standby application; putting the pressed polygonatum odoratum into a soaking liquid, and carrying out pressurized boiling and negative pressure vacuum soaking; taking out the soaked polygonatum odoratum, putting into a dryer, and drying; and taking out the dried polygonatum odoratum, slicing, and carrying out vacuum package. The method has the advantages of improving the mouthfeel of the polygonatum odoratum as food while ensuring a nourishing effect of the polygonatum odoratum as a health-care medicine.