A gold color metal and epoxied device 1 1/8 inches (2.86 cm) in width overall consisting of an equilateral triangle divided horizontally gold and blue and surmounting the gold portion below the apex, and extending beyond at the sides, the upper half of a red Torii gate, cross piece above and conjoining a white Greek cross, the lower edge of the lateral arms of the cross coinciding with the base of the triangle; all above a symmetrical maroon scroll curved outward from triangle below cross piece, doubled gold below lateral arms and arced across base, inscribed on the left “STRENGTH,” across base, “THROUGH,” and on the right “HEALING,” all in gold letters, the areas between the motto scroll and sides of triangle pierced.  

Maroon and white are the colors used for the Army Medical Department and a cross is symbolic of aid and assistance.  The blue and gold triangle simulates an island and refers to the World War II service of the unit in the Western Mandates, Western Pacific and Air Offensive, Japan Campaigns, the scarlet Torii denoting the Meritorious Unit Commendation award for Iwo Jima

The distinctive unit insignia was originally approved for the 301st Field Hospital on 6 January 1972.  It was redesignated effective 17 September 2004, with description updated, for the 301st Combat Support Hospital. It was redesignated for the 301st Field Hospital on 17 April 2018.