Abstract: In 1924, in honor of the first graduation of Peking Union Medical College (PUMC) , the student association of PUMC published their first yearbook “The Unison”. The book was compiled and presented in a mix of text (English and Chinese) and pictures (135 photographs and 32 illustrations), consisting of 186 pages and over 55,000 words. It comprehensively introduced the organizational history, board of trustees and administration, departments and faculty, medical and nursing classes, student organizations and activities in PUMC. It also published beautiful articles, poems, drama scripts written by PUMC students. It is a comprehensive, systematic, accurate and authentic record of PUMC and Peking Union Medical College Hospital (PUMCH) in 1924, providing rich and valuable details in regards to academic and spiritual lives of faculty and students. Compiled during the early years of PUMC and PUMCH, the book also contributed to the formation of PUMC and PUMCH culture. The phrase “Science and Humanity” proposed by its editors and printed on the title page, had evolved into the expression the of the college motto, “Science for Humanity”.