A kind of underarm crutch supports unit comprising a crutch body and one. The crutch body includes two tube bodies, one helps shoulder and one hold unit, wherein respectively the tube body includes a upper section and a lower section, this helps shoulder to set the upper section of each tube body of what, the gripping unit position what this help the upper section for below shoulder and connecting the respectively tube body. This supports unit, actively plugs for the lower section of the respectively tube body. Thereby, the underarm crutch is made to be able to ascend the efficiency of support force and assembling. 一種腋下拐，包含一拐杖本體以及一抵撐單元。該拐杖本體包括二管體、一扶肩以及一握持單元，其中各該管體包括一上段以及一下段，該扶肩設於各該管體的上段，該握持單元位於該扶肩下方並連接各該管體的上段。該抵撐單元，供各該管體的下段活動地插設。藉此，使該腋下拐能夠提升支撐力以及組裝之效率。
