The invention provides a thick soup with pomegranate, hawthorn and sago, consisting of the following ingredients (by weight ratio): 800-1000g of fresh pomegranate, 15-20g of ginger, 70-90g of fresh hawthorn, 10-15g of Chinese wolfberry, 15-20g of pine nut, 15-25g of honey, 20-30g of sweet corn grains, 150-200g of sago, 8-15g of starch, and 1200-1400g of water. The invention also provides a preparation process of the thick soup with pomegranate, hawthorn and sago, comprising the step of cutting the cleansed fresh pomegranate, ginger, and hawthorn into small pieces; putting the small pieces of ingredients with peel into a mill for crushing, filtering and eliminating the residues; pre-processing the sago; and compounding all the ingredients. The thick soup with pomegranate, hawthorn and sago disclosed in the invention can stimulate the appetite and promote digestion, is rich in nutrients, integrates the nutrients of pomegranate, ginger, and hawthorn together, and has multiple effects of full nutritional value, balanced nutrients, adjusting taste and health care.