Manufacturing method of blueberry large particle jam

The invention relates to the technical field of agricultural product processing, and specifically relates to a manufacturing method of a blueberry large particle jam. The preparation method comprises the following steps: (1) pre-treating fresh blueberry fruits; (2) preparing blueberry large particles; (3) preparing blueberry pulp; (4) preparing blueberry large particle jam. The fresh blueberry fruits are hardened and dried, so the prepared blueberry large particle is chewable, the intact shape of blueberry can be still maintained after sterilization, the anthocyanin content is high and is improved by 74% to 141% compared with that of conventional blueberry jam, and moreover the prepared blueberry jam is chewable and can fully meet the requirements of modern consumers on large particle jams. The technology is improved, the prepared blueberry large particle jam contains syrup and is rich in blueberry large particles, and the provided blueberry large particle jam can be used to manufacture downstream products such as egg tarts, cakes, western cookies, ice creams, and the like.