The present invention relates to a processing preparation method of passionate passion fruit drink and belongs to the field of fruit juice processing. The passionate passion fruit drink comprises thefollowing components in parts by weight: 10-40 parts of passion fruits, 50-80 parts of Yakult, 5-10 parts of honey, 1-5 parts of high fructose corn syrup, 1-5 parts of isomaltulose, 0.1-1 part of compound phosphate, 0.1-1 part of compound organic acid, 20-50 parts of purified water and 0.1-0.3 part of potassium sorbate. The preparation method comprises the following steps: passion fruit classifying and selecting, washing, disinfecting with dibromohydantoin, blanching at 90-95 DEG C for 30 seconds, passion fruit peeling and fruit flesh digging out after the blanching, and evenly mixing with Yakult are conducted; then the passion fruits and Yakult are mixed with mixed syrup prepared from honey, high fructose corn syrup, isomaltulose, compound phosphate, compound organic acid and purified water; inspecting and sub-packaging to obtain a semi-finished product are conducted; and finally ultra-high pressure sterilization is conducted to obtain a finished product. The finally prepared finishedproduct of the passionate passion fruit drink is sour, sweet, tasty and unique in flavor. The passionate passion fruit drink retains the nutrient composition of the fruits to the greatest extent, especially amino acids and vitamins, retains the mouthfeel of the fresh fruits, is scientific in matching and comprehensive and balanced in nutrients, has effects on preventing fatigue, refreshing mind,dispelling alcoholism, protecting skin, nourishing skin, etc., and is also unique in flavor, strong in storage resistance, convenient to eat and excellent in sales prospects.