How do we go around temple of heaven n summer palace in one day?

Hey, you are suggested to go to the Temple of Heaven first and then the Summer Palace.

From your hostel, walk to Zhangzizhong Road subway station to take line 5 and get off at Tiantan Dongmen. Leave from exit A1 and you can easily walk to the East Gate of the temple. After that, take subway line 5 from Tiantan Dongmen to Huixinxijie Nankou Station, where you can transfer to subway line 10 to Haidian Huangzhuang. Then transfer to line 4 to Beigongmen Station. Take the Exit A1, you will see the palace park.

After visiting, walk to Beigogmen Station to take the subway line 4 to Haidian Huangzhuang, where you can transfer to line 10 to Huixinxijie Nankou Station. Then transfer to line 5 to Zhangzizhong Road. Take the Exit B and walk back to the hotel.