PURPOSE: A cultivation method is provided to prevent fabrication of production history by using a ring. CONSTITUTION: A ring is put on a hemp body. After the ring is put, the hemp is more cultivated. The hemp is harvested when the ring hangs between fine roots and fixed by fine roots. The number of a ring is changed according to cultivation life. History information of hemp is recorded in the ring. The history information comprises a producer, production area, and cultivation life. Hemp is one selected among ginseng, woods grown ginseng, wild ginseng, etc.본 발명은 삼 몸통에 반지를 끼우는 단계 (a); 반지를 끼운 후, 삼을 더욱 키우는 단계 (b); 및 삼을 키운 후, 반지가 삼의 잔뿌리 사이에 걸려 잔뿌리에 의해 빠지지 않을 정도가 되면 삼을 수확하는 단계 (c);로 이루지는 것을 특징으로 하는 반지 삼의 생산방법에 관한 것이다.