Provided is a method for processing prawn sauce which is manufactured according to the following steps and which uses whole shrimp as a raw material: selecting high-quality prawns, removing impurities, cleaning, and draining away the water; formulating condiments; preparing cold water at 5°C-10°C for use; adding tap water to a heating container, adding citric acid to the tap water in the container, adjusting the pH to a value of 4.6-6.0, boiling the water, placing an appropriate amount of prawns in the boiling water and boiling the prawns for 0.5-1.5 minutes, removing and draining, placing the prawns in the above-mentioned cold water and cooling for 4.5-5.5 minutes, and removing and draining; pulverizing the resulting prawns, and proportionally adding the formulated condiments during pulverization; and depositing the pulverized sauce in a can for 23-25 hours at room temperature and stirring at least twice during this time to give the finished product.