To and from Shichahai in Beijing

From Temple of Heaven, you can walk to the East Gate of Temple of Heaven MTR Station to take subway ling 5 and get off at Zhangzizhong Road Station. Then you can transfer to bus no. 42 and get off at the North Gate of Beihai Park Station. After that, you can walk to it.
To Wangfujing Street, you can walk to Deshengmen South Station in about 5 min. There you need take bus no. 5 and get off at Nanchangjie Station. Then you can walk to Tiananmen West Station and get on subway line 1 to Wangfujing Station.