"The inclusive process of Afghan-led and Afghan-owned peace and reconciliation is the fundamental way for Afghanistan to realize long-term peace and stability," said Xi.
For his part, Abdullah praised China's assistance to Afghanistan during its hardest times and its support to the national unity government.
Afghanistan will firmly back China's stance on core issues including Taiwan, said Abdullah.
He said his country would like to maintain high-level exchanges, implement the consensus reached by both sides and enhance cooperation with China on the economy, infrastructure, human resources and security in the country's reconstruction process.
Chinese Vice President Li Yuanchao also met with Abdullah on Tuesday.
Abdullah Abdullah kicked off his four-day official visit to China on Sunday at the invitation of Chinese Premier Li Keqiang. Li held talks with him and there was a welcoming ceremony for him on Monday.
In addition to Beijing, the tour will take him to Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region.