The invention relates to a production technology of canned low-sugar-content fruits. Taking a can containing 590 grams of the low-sugar-content fruits as an example, each can of the canned low-sugar-content fruits is prepared from the following raw materials in parts by weight: 360 grams of fruits, 158 grams of water, 69 grams of high fructose corn syrup, 1.5 grams of citric acid, 1 gram of neotame and 0.5 gram of vitamin C. A preparation method of the canned low-sugar-content fruits orderly comprises the following steps: carrying out selecting, pre-treating, pre-cooking or exhausting, canning, syrup-preparing, syrup-infusing, code-printing, sealing, sterilizing, can-wiping, constant temperature-maintaining, checking, packaging, warehousing and so on. The canned low-sugar-content fruits are deep-processed fruit products which are rich in nutrition and suitable for diabetics to eat. Moreover, the canned low-sugar-content fruits are beneficial to athletes and manual workers for nutritional supplies; for athletes with large energy consumptions, the canned low-sugar-content fruits are capable of improving stamina and endurance, so that the canned low-sugar-content fruits are conducive to the athletes to maintain physical strengths, rapidly eliminate fatigue and so on.