The invention relates to an auxiliary drilling device, in particular to an adjustable auxiliary drilling device for an integrated circuit board, and aims at solving the technical problem of providingan adjustable auxiliary drilling device for an integrated circuit board. The invention provides the adjustable auxiliary drilling device for the integrated circuit board to solve the technical problem. The adjustable auxiliary drilling device comprises a bracket and the like, wherein a box body is arranged at the top of the bracket; a discharge hole is formed in the right side of the bottom of thebox body; a blanking opening is formed in the left side of the top of the box body; a guide plate is arranged in the box body and located on the left of the discharge hole and the blanking opening; ahydraulic mechanism is arranged at the right side of the top of the box body; and the left end of the hydraulic mechanism is connected with a fixed mechanism. According to the adjustable auxiliary drilling device, the effects of improving the drilling efficiency and improving the security during drilling are achieved; and the position of the integrated circuit board is adjusted through telescoping of a first electric push rod, and manual adjustment of a worker is not needed, so that the operation security and accuracy are improved.