Portable sampling and checking standard fast checking machine

The utility model relates to a sampling and checking standard fast checking machine, in particular to a portable sampling and checking mini-type instrument which can correctly apply 'sampling and checking national standards' and is based on embedded technique. The portable sampling and checking standard fast checking machine comprises an outer shell and an embedded system machine core. The outer shell comprises an LCD display screen which is arranged on the shell and can display sampling and checking schemes and sampling and checking sample amount, a touch screen and a functional key for usersto input orders, and a USB interface for connecting with a computer, the embedded system machine core comprises a microprocessor, the microprocessor is connected with a RAM, a ROM and a FLASH, a resetting circuit, a clock circuit and a power supply circuit which are integrated on one main circuit board with the microprocessor, and the main circuit board is connected with an external interface through a special cable. The