Dyeing process of cotton knitted fabric

The invention relates to the technical field of textiles, and particularly discloses a dyeing process of a cotton knitted fabric. The dyeing process of the cotton knitted fabric sequentially comprises a pretreatment stage and a dyeing stage, dye liquor used in the dyeing stage comprises the following components in parts by weight: 24-28 parts of reactive dye, 8-12 parts of inorganic alkali, 12-16 parts of amino sugar, 6-10 parts of a silane coupling agent and 40-60 parts of deionized water, and the dye liquor is used for dyeing the cotton knitted fabric under the condition of 90-100 DEG C. The amino sugar is fixed on the surface of the cotton knitted fabric, and the amino sugar and hemicellulose in the cotton knitted fabric are subjected to the Maillard reaction under the heating condition, so that the combination degree of the reactive dye and the cotton knitted fabric is improved, the dyeing effect of the reactive dye on the cotton knitted fabric is improved, and meanwhile, the color difference between a de