The invention relates to an undisturbed soil sampler (100) for granular grounds, which allows for undisturbed sampling by artificial soil freezing system in the field of Geo-technical engineering. The invention particularly relates to undisturbed soil sampler (100) which allows for undisturbed sampling in granular grounds (mostly sand and gravel grounds) without damaging the natural conditions in the territory and comprises cooling unit (110), gas delivery pipes (113), gas distribution circle (120), end pipes with headers (121), end connection capillaries (122), and gas valves (112).