The invention discloses a sugar solution, a production technology for preparing seedless candied prunes with the sugar solution, and seedless candied prunes, and relates to the technical field of foods. The sugar solution comprises white granulated sugar, edible glucose, high fructose corn syrup, glucose syrup, prebiotics, acidic seasoning, calcium-source substances, edible essence, potassium sorbate and pure water, and has the advantage that the sweetness is low relatively. The production technology of the seedless candied prunes comprises the steps of performing sugar permeation with the prepared sugar solution, and in the sweet permeation process, performing sweet permeation in a manner of cycle alternation of vacuum sweet permeation and positive pressure sweet permeation, and the production technology has the advantages that the sweet permeation time and the drying time are greatly saved, the production efficiency is improved, and the yield is increased. The seedless candied pruneshave the advantages of being convenient to eat by special crowds, safe, relatively low in sweetness, low in running off of nutrient substances, good in flavor and mouth feel and convenient to eat. When being eaten often, the seedless candied prunes can promote intestinal peristalsis and probiotic proliferation, relieve constipation symptoms and are favorable for healthy bodies of people.