The invention discloses a Sichuan painting sweeping method, belongs to the technical field of silk painting processes, and aims to solve the problems that a traditional silk painting is hard in hand feeling and easy to fade after being washed due to the fact that
alum treatment is needed, and a three-
alum nine-
dyeing technique is time-consuming, labor-consuming and high in threshold. The method comprises two steps of
brush pretreatment and sweeping and coloring: during
brush pretreatment, selecting an oil painting
brush adaptive to the size and color requirements of a silk coloring area, cleaning and wiping the oil painting brush, dipping a
dyeing material for blending, and performing differentiated wiping on the
control material by using waste cloth; during sweeping and coloring, taking a pre-outlined pattern carried by non-
alum crepe satin plain or crepe de chine as an object, starting from a deep color area, adjusting the brush arrangement angle to gently and repeatedly sweep and coat along the shading direction in a flat sweeping or oblique sweeping state, and repeatedly carrying out brush arrangement pretreatment after the dye is used up until the expected color level and picture effect are achieved. According to the method, the soft texture of the silk can be reserved, the picture lines are clear after sweeping and
coating, washing resistance is achieved, operation is easy and convenient, and application of the Sichuan painting work in the fields of clothes, decoration and the like is expanded.