The invention discloses a bean curd puff for clearing heat and moistening dryness and a preparation technology thereof. The bean curd puff is prepared from the following raw materials in parts by weight: 60-80 parts of lean pork, 10-30 parts of fat pork, 10-20 parts of duck, 1-3 parts of corn starch, 10-40 parts of fresh dandelions, 1-5 parts of composite phosphate and 1-10 parts of seasoner. The preparation technology comprises the following steps: preparing raw materials; dosing and stirring, namely uniformly mixing the raw materials according to the formula, thereby acquiring stuffing; pickling, namely pickling the stuffing for 10-30min at 0-10 DEG C; filling, namely cutting the fresh bean curd puff and filling the pickled stuffing of which the weight is 175% of the weight of each bean curd; packaging and refrigerating. The bean curd puff for clearing heat and moistening dryness disclosed by the invention has unique flavor and tastes nice; the nutrition effect of animal and vegetable protein complementation is achieved through the reasonable configuration; the effects of invigorating the spleen and the stomach and replenishing qi, clearing heat, moistening dryness, engendering liquid, allaying thirst and clearing intestines and stomach of the bean curd are combined with the effects of clearing away heat and toxic materials and tonifying the spleen and the stomach of the dandelions, so that the healthcare effect of clearing heat and moistening dryness is enhanced.