Visitors must scan the "LeaveHomeSafe" QR code, or register their names, contact number and visiting date and time, when they enter, the park said.
Park staff will take the coronavirus test before reopening and will have to retest every 14 days.
The park added that all facilities and attractions will operate at half-capacity, while alternate rows will be taken at theatres.
Last month, the park said it will increase efforts in local wildlife conservation and education, creating Hong Kong’s biggest and best nature classroom and will will also introduce an admission-free retail, dining and entertainment zone, along with wellness-themed zones and an adventure area to provide diversified dining and entertainment experiences.
Chinese President Xi Jinping says his country has achieved the "miracle" of eradicating extreme poverty.