Yu Garden originated in sixteenth century Shanghai as a private retreat commissioned by Pan Yunduan, a Ming official. Construction began in 1559 and continued over many years. The project was associated with honouring his father, Pan En, and providing a place of cultivated repose. At that time Shanghai was a regional walled town, far removed from the modern metropolis that later surrounded the garden. Its creation reflected the aspirations of a wealthy literati household, combining family obligations, social prestige and an ideal of withdrawal from official concerns.

Designers arranged halls, ponds, rocks and planted spaces to create changing views within a limited area. Paths, openings and covered passages revealed scenes gradually, making movement an essential part of the experience. The great rockery is associated with the specialist Zhang Nanyang, whose work translated mountainous scenery into an intimate constructed landscape. Buildings provided places for gathering, reading and contemplation, while water and stone carried aesthetic associations familiar to educated visitors. The garden's apparent naturalness therefore depended on deliberate design, technical skill and sustained human labour.

After the Pan family's fortunes declined, ownership and maintenance changed. Parts of the property deteriorated, and later patrons repaired or reorganised sections, particularly during the Qing period. Merchant involvement connected the garden with Shanghai's expanding commercial society. These alterations mean that the surviving complex cannot be treated as a perfectly intact Ming creation. Its history includes successive acts of rebuilding and adaptation, through which later owners preserved the idea of a classical garden while responding to different resources, tastes and patterns of urban use.

Nineteenth century warfare brought further disruption. The area suffered during the First Opium War, and the Small Sword Society used Dianchun Hall as a headquarters during its occupation of Shanghai in the 1850s. Conflict in the twentieth century, including the fighting of 1937, caused additional damage. These episodes connect the enclosed garden to the turbulent history of the city beyond its walls. Municipal restoration in the 1950s repaired the complex, and its reopening to the public in 1961 established a new role for a formerly private environment.

Today Yu Garden forms a historic enclave within central Shanghai, beside a busy commercial district and other attractions that are related to its setting but distinct from the garden itself. Conservation must balance heavy visitor use with the care of timber buildings, rockwork, water features and planting. Its significance lies in both the principles of Chinese garden design and the changes accumulated over centuries. Yu Garden shows how a private expression of family status became a public cultural landmark through repeated episodes of decline, conflict and restoration.