Advanced drilling device and method for shield tunneling construction of composite stratum

The invention discloses an advanced drilling device and method for shield tunneling construction of a composite stratum, and aims to solve the problems that when a grouting method is used for drilling at present, waste soil in a hole cannot be quickly discharged, resistance is generated to a drill bit, drilling of the drill bit is affected, the drill bit retreats and then flushes the hole, and the working time is prolonged. The water retaining valve block is driven to rotate reversely by matching with the friction of the hole wall, so that a first through hole in the water retaining valve block is aligned with the lower water cavity, liquid circulates in the lower water cavity, the arc-shaped cavity, the upper water cavity and the drainage cavity, and waste soil and the like generated by drilling are carried away by utilizing the liquid, so that the chip removal effect is achieved; the water retaining valve block is driven to rotate forwards by matching with the friction of the hole wall, so that a second thr