Geological exploration drilling sampling equipment and method

The invention belongs to the field of technical geological prospecting, and particularly relates to geological prospecting drilling sampling equipment and method.The geological prospecting drilling sampling equipment comprises a drilling assembly and a sampling assembly, the drilling assembly comprises a drilling rod, a spiral blade is arranged on the drilling rod, the sampling assembly comprises a sampling box, a sampling barrel and a hopper, and the hopper is obliquely arranged at the upper end of the sampling box; a feed opening and a sliding hole are formed in the hopper; a material blocking barrel is arranged on the hopper, and a first discharging opening is formed in the lower end of the material blocking barrel; the sampling barrel is slidably arranged in the sliding hole, the upper part of the sampling barrel is arranged in the material blocking barrel, and the lower part of the sampling barrel extends to the lower part of the hopper; a discharge hole II is formed in the upper part of the sampling bar