The study investigated pro-environmental behaviors among Beijing’s citizens，A sample survey of 2472 citizens，conducted by Beijing institute of social psychology in 2015. Results showed that the score of pro-environmental behaviors of the citizens is 3.51 at a 5 point scale，the level of pro-environmental behaviors of women were significantly higher than men in private situation，the old people showed more pro-environmental behaviors than the young ones；39% of the citizens never or seldom classified garbage，most people got used to saving electricity at home，69.1% of the citizens intended to choose low-carbon transportation mode to go out，many people usually managed some in-system means to protect their environment rights in environmental hazards. The report revealed the influencing factor of the pro-environmental behaviors，including environmental crisis sense，new environment belief，environmental responsibility awareness，laws and regulations and lifestyles aspects. The ways of enhancing the levels of resident’s pro-environmental behaviors were also suggested.