The backbone of security division has consisted of the eight independent infantry battalions, and it does not have an artillery regiment.

The 68th division has started a garrison duty from April 1942, covering an area of the former 14th Independent mixed brigade.

At the end of 1943, it participated in Battle of Changde, operating in Hanshou County.

In May 1944, the 68th division was assigned to 11th army and has participated in Operation Ichi-Go, particularly on the southern flank of the defense of Hengyang.

After the end of the offensive, the 68th division was assigned to 20th army and participated in the Battle of West Hunan from April 1945.