Heyuan's economy is centered on water resources, eco-tourism, and light manufacturing. As the source of the Dongjiang River, the city supplies clean water to major cities including Hong Kong, generating significant ecological compensation revenues.
Tourism is a growing pillar, with Wanlu Lake attracting millions of visitors annually for its pristine natural scenery,boating, and hiking. The Dinosaur Museum and Huo Mountain Danxia landscape are also major draws. Manufacturing, including electronics assembly, building materials, and quarrying, contributes to the local economy. Heyuan also produces agricultural specialties including high-quality rice, citrus fruits, and tea. The city's GDP reached 130 billion yuan in 2025.