He proposed the two countries boost cooperation on the green economy, environmental protection, and climate change.
Wen said he hoped the two sides could improve communication, trust, and cooperation through the strategic dialogue mechanism to boost comprehensive and strategic partnership.
Miliband highlighted the importance of Britain-China relations, saying Britain was willing to find common ground with China.
Miliband is visiting China from March 14 to 17 as guest of his Chinese counterpart Yang Jiechi. He will hold strategic dialogue with State Councilor Dai Bingguo later Tuesday.
He arrived in Beijing after visiting the British pavilion at the Shanghai Expo site.
