The utility model discloses a double-liquid grouting device capable of randomly adjusting the angle of a grouting pipe for ground drilling, which consists of a grouting pipe component, a flange pressing sleeve, a connecting sleeve, a flange sleeve joint and a drilling inner sleeve, and is characterized in that the grouting pipe component is communicated with the grouting pipe through a three-way pipe; the flange pressing sleeve is a pressing sleeve with one end connected with a flange; the connecting sleeve is a sleeve with two ends connected with flanges, the wall of the sleeve is connected with a grouting branch pipe, and the grouting branch pipe is communicated with the sleeve; the flange sleeve joint is a sleeve joint with one end connected with a flange; one end of the flange sleeve joint is connected with the drilling inner sleeve, and the other end of the flange sleeve joint is in flange connection with one end of the connecting sleeve, so that internal channels of the drillinginner sleeve, the flange sleeve joint and the connecting sleeve are communicated; the outer diameter of the pressing sleeve is not larger than the inner diameter of the casing pipe, the inner diameterof the pressing sleeve is not smaller than the outer diameter of the grouting pipe, the pressing sleeve is sleeved with the connecting sleeve, the flange pressing sleeve is in flange connection withthe other end of the connecting sleeve, and the grouting pipe is sleeved with a channel communicated with the drilling inner casing pipe, the flange casing pipe connector and the connecting sleeve.