This article uses a narrative research method to narrate the case analysis of the researcher's management of the green and beautifying landscape trees on the campus during the two years of general affairs director. At the same time, the OKR target management model is used in target management and key results setting to assist the general affairs director in the complicated work management. The steps are: setting goals, analyzing the current situation, and setting key results. Finally, review the advantages and disadvantages of the management and implementation process, and put forward suggestions for future practices for the reference of education authorities, forestry units, and general affairs directors.