Born Zheng Xie, later styled Banqiao, in Xinghua during the Qing dynasty. Growing up in a lower-gentry household, he absorbed classical learning while seeing rural hardship firsthand. This contrast later shaped his blunt empathy as an official-artist.

As a child he practiced calligraphy and copied model books while studying Confucian texts for examinations. Local tutors emphasized disciplined writing, but he increasingly preferred expressive, personal strokes. His fascination with bamboo began as a daily sketch subject.

In his twenties he wrote poetry and essays while refining a distinctive calligraphy blending clerical script (lishu) with freer brush movement. He studied earlier masters yet resisted pure imitation. The hybrid style later became a signature across paintings and inscriptions.

He supported himself through teaching and literati connections, exchanging poems and paintings with local patrons. This period taught him how art circulated through gifts, favors, and reputation. He also sharpened his satirical voice in letters and inscriptions.

In bustling Yangzhou, enriched by salt merchants and canals, he encountered a thriving market for paintings and calligraphy. He gravitated toward artists later grouped as the Yangzhou Eight Eccentrics. Their independence encouraged him to value individuality over orthodox polish.

He attained the juren degree in the Qing civil-service system, a major step toward office. The achievement expanded his access to official patrons and postings. Yet he remained skeptical of empty formalism, insisting learning should serve ordinary people.

After succeeding in the metropolitan examinations, he joined the scholar-official ranks under the Qianlong Emperor. The jinshi credential gave him legitimacy beyond the art market. He carried into office a reputation for plain speech and moral stubbornness.

He began practical administration, learning tax, granary, and legal routines that shaped a county magistrate’s daily burdens. The experience deepened his concern for peasant livelihoods and corruption. His later inscriptions often echo the frustrations of this bureaucratic reality.

As magistrate in Fan County, he confronted shortages, lawsuits, and the pressures of meeting higher officials’ quotas. He cultivated a direct relationship with local communities, favoring pragmatic relief over showy compliance. His governance gained admiration and also enemies.

His courtroom decisions emphasized fairness and common sense, and he criticized petty extortion by clerks and runners. In memorial-like letters he argued that officials should fear the people’s suffering more than their superiors’ anger. This moral stance later fed legends about his integrity.

He was moved to Weixian, where fragile harvests and administrative strain tested his ideals. Negotiating with gentry, merchants, and subordinates, he tried to keep order without crushing the poor. The posting became central to stories of his compassion in crisis.

During severe famine conditions, he pushed to open granaries and organize relief despite procedural obstacles. He reportedly confronted superiors and local elites when they delayed aid or demanded bribes. The episode cemented his image as a magistrate who chose people over rules.

After repeated disputes over relief measures and administrative expectations, he left official service. Retirement spared him further compromise but cost him status and salary. He returned to the cultural economy of Yangzhou with a sharpened sense of artistic independence.

Back in Yangzhou, he supported himself by selling paintings and calligraphy to merchants and patrons, stating prices with unusual frankness. His inscriptions mixed humor with moral critique, turning transactions into conversations about integrity. This openness suited Yangzhou’s commercial art scene.

He refined spare compositions of bamboo, orchids, and rocks, pairing them with bold calligraphy that functioned like a second image. The plants symbolized uprightness and resilience, echoing his official experience. Collectors prized the fusion of painting, poem, and handwriting in one surface.

By late life he was widely linked to the Yangzhou Eight Eccentrics, celebrated for breaking orthodox literati conventions. His work appealed to salt merchants who valued distinctive taste and moral rhetoric. The label amplified his influence as both cultural rebel and ethical voice.

He gathered poems, essays, and letters that showcased his biting wit and sympathetic concern for the common people. These texts circulated among friends and patrons, reinforcing the legend of a righteous eccentric. His prose style, plain yet sharp, matched the economy of his brushwork.

He died in Yangzhou after years of intense production, leaving paintings and calligraphy prized for their character as much as technique. Later connoisseurs treated his bamboo and orchids as moral self-portraits of a stubborn magistrate. His legacy endures in Chinese literati art and popular memory.