The invention discloses a process for processing a sheet-shaped adhesive tape. The process is characterized by comprising the following steps: preparing a substrate, preparing a waterproofing agent, preparing adhesive, coating a protective film, coating an adhesive layer, adhering release paper, coating a wear layer and cutting to finally prepare the sheet-shaped adhesive tape finished product. The process for processing the sheet-shaped adhesive tape is simple in process, convenient to operate and low in production cost; and the prepared sheet-shaped adhesive tape has excellent adhesion, waterproofing performance, abrasion resistance and excellent use strength.