The Euro STOXX 600 (.STOXX) gained 0.4%, recovering from its worst session in almost two weeks a day earlier.
Shares in London (.FTSE) were up 0.8% and markets in Paris (.FCHI) and Frankfurt (.GDAXI) gained around 0.2%-0.3%.
Hopes of faster easing of China's strict restrictions rose after an official said they will continue to fine-tune policy to reduce the impact of its "Zero COVID" on society.
The sudden bout of optimism on China combined with talk of possible output cuts by OPEC+ to help oil prices rally.
Shares of Chinese property companies surged after the country's securities regulator lifted a ban on equity refinancing for listed property firms.