The utility model discloses a frock for installation of car wiring harness annex material, including the support, the workstation is installed to the lower part of support, and the workstation both sides are provided with the wiring pocket, are provided with on the support of workstation top between the storing of a plurality of layers of slope setting, become step like setting between adjacent storing. Semi -manufactured goods FIFO can be guaranteed to slope structure between the storing. The utility model discloses simple structure, convenient to use, can guarantee that the clean and tidy of workstation and material deposit neatly, the operative employee does not look for required material everywhere at needs, has reduced operative employee's intensity of labour, has improved work efficiency.