The invention discloses a technology capable of forming a groove only by cutting once for a mine collecting groove, and relates to the field of mining, and in particular to the technology capable of forming the groove only by cutting once for the mine collecting groove that can effectively speed up the construction progress of the mine collecting groove, increase the labor productivity and reducethe production cost. The technology capable of forming the groove only by cutting once for the mine collecting groove is characterized in that a medium-length hole in a circular sector is used, a large hole and a mine collecting groove channel are used as blasting free space, and blasting holes are formed in the blasting free space; millisecond blasting is adopted between the holes, a cutting funnel is formed after being blasted step by step, a central large hole and the mine collecting groove channel are used as initial free space in the arrangement of the blasting holes, the blasting holes are divided into well expanding holes and groove expanding holes, and the number of the well expanding holes is eight; and the well expanding holes are arranged around the large hole, the groove expanding holes are divided into three rows of upper, middle and lower rows, and six groove expanding holes are arranged on each of the rows. The technology capable of forming the groove only by cutting once for the mine collecting groove is convenient to implement, simple in operation, high in safety coefficient, good in the forming only by cutting once, capable of effectively improving the construction progress of the mine collecting groove, capable of reducing the labor productivity, and capable of reducing the production cost.