The invention relates to a preparation method of a composite chewable tablet containing dendrobe. The preparation method comprises the following steps: processing fresh products, drying, crushing, screening, adding auxiliary materials, tabletting, sterilizing, and packaging. The composite chewable tablet containing dendrobe disclosed by the invention is prepared from main raw material dendrobe, and wolfberries, sea-buckthorn, fruits and the like by the processes of low-temperature drying, superfine grinding, tabletting of a tablet press, ultraviolet sterilization and the like. The composite chewable table is rich in nutrition, and low in nutrient loss in the preparation process; the chewable tablet has a plurality of fruit tastes; the human body immunity can be improved; the fatigue can be relieved; and meanwhile, the chewable tablet is convenient to carry and eat.