Manufacturing process of simple and retro tie-dyed retro knitted vamp

The invention provides a manufacturing process of a simple and retro tie-dyed retro knitted vamp. The manufacturing process comprises the following steps of S1, pretreatment; S2, primary shaping; S3,pattern drawing; S4, binding; S5, salt water dipping; S6, primary coloring; S7, secondary ironing and bundling; S8, secondary coloring; S9, steaming dyeing, color fixing and ironing; S10, polishing; S11, hot-pressing bonding; S12, whole-circle expanding; and S13, hot press molding. According to the manufacturing process, the tie-dyeing color is bright, the color transition is natural, a unique retro and nostalgic style is achieved, the color hierarchy is clear, the unique feeling of primitive simplicity and nostalgia is created through stone washing and antique finishing, two times of coloringare conducted in a high-pressure state, the movement capacity of dye molecules towards the interior of knitted fabric is improved, the coloring ability of dye on the knitted fabric is improved, the color fastness is improved,