Disclosed is a method for preparing straw craft patchwork, which contains seven steps: choosing material, straw treating, drying, color retaining, scribing, sticking up and casing-packaging. Said choosing material contains choosing clean and integral wheat straw as raw material and removing the knot of the straw. Said straw treating contains: atomizing the straw with alum water putted in an atomiser, drying and treating with a color retaining treatment. The following is the scribing treatment, preparing straw raw material for sticking up pictures with knife of thread, dot, and sheet. Then is the sticking up process, with the prepared straw raw material and the adhesive, sticking up the cloth according to the bottom sample of the picture by a process of thread, dot and sheet. And then by casing and packaging treatment, it can be made into permanently preserved straw craft patchwork.