The invention discloses carrot and barley thick soup. The carrot and barley thick soup is prepared from the following raw materials: carrots, barleys, black millets, caraway, water, hericium erinaceus, honeysuckle flowers, oenothera biennis, leaves of roughhaired holly, garcinia cambogia peels, agar, fructose and red bean powder. The production method comprises the following steps (1) preparing carrot pulp; (2) preparing barley paste; (3) preparing black millet paste; (4) preparing vegetable juice; (5) preparing nutritional liquid; (6) immersing the agar, heating until the agar is molten for standby use; (7) mixing all materials obtained through various steps, adding the fructose, the red bean powder and an appropriate amount of water, boiling with big fire, decocting with slow fire, taking out when soluble solids reach 80 to 90 percent, thus obtaining the carrot and barley thick soup. By introducing nutritional components such as the carrots, the barley, the caraway and the like into the thick soup, and adding healthcare components such as the hericium erinaceus, red bean powder and the like, the nutritional value is increased, the taste is rich and fragrant, and the food-therapy healthcare effect is good.