This study aimed to provide reference and improve the participation of college students in volunteering services for the aged through understanding the participation willingness and actual participation of college students in Nanjing and discussing the existing problems and influencing factors of pension volunteering service and put forward the corresponding measures. Questionnaire survey was performed to investigate the willingness and status of 1 450 college students in Nanjing to participate in the volunteering service for the aged. A total of 1 450 questionnaires were sent out, 1 362 valid questionnaires were collected, and the effective recovery rate was 93.9%. College students had a better understanding of the volunteering service mainly from the volunteer service team. College students’ willingness to participate in voluntary activities for the aged was relatively high, and the reasons for the unwillingness to participate included “boring content, single type”, “lack of professional guidance”, “insufficient funds”, grades and gender. The actually participate rate in the volunteering service was less than a half and there were many factors influencing the activity satisfaction.