Metropolitan development involves the protection and re-development of the city. Beijing has started focusing on developing human-centred space as an ancient and mod-ern city. Dashilar is a historical and cultural block located close to Beijing Central, and it belongs to a critical part of the 25 historical reserves in Beijing city. With a unique urban spatial and humanistic character, Dashilar has a long history of public space construction development on the needs of its residents and tourists. This paper studied the current situa-tion and spatial features of four types of public space in Dashilar: street, lane, courtyard and residiential houses types. This paper concludes with strategies for advanced interior design in historical public narrow street in Dashilan Hutongs, Beijing.