The utility model relates to a cutting blade base of a needle loom. An L-shaped angle plate positioned on the lower part of a needle table inside a needle table base of the needle loom is provided with a connected positioning block and a cutting blade base. After the cutting blade base matches with the needle table and makes yarns into the whole face form, the yarns are simultaneously cut into a plurality of strips immediately. The utility model has the functions of high speed cutting, program reducing, and procedure reducing.