Pearson Reef (Filipino: Bahura ng Hizon, Chinese: 毕生礁; pinyin: Bìshēng jiāo), called Phan Vinh Island (Vietnamese: đảo Phan Vinh) in Vietnam, is an atoll of the Spratly Islands in the South China Sea.

[5] It has a length of 290 m, a width of 140 m and lies on a 4.9 nautical mile (9.1 km) long coral reef that also follows the northeast-southwest axis.

On Phan Vinh B Islet, there are 3 durable houses (built many years ago) that are linked together by a wide concrete road and have a helipad for helicopters to take off and land in case of rescue missions.

[8] On Phan Vinh Island, there are ways of civil works such as wind and solar power systems,[9] cultural houses, clinics, etc.

[13] On March 30, 1978, a detachment of 31 people from Regiment 146, Naval Region 4, commanded by Second Lieutenant Vũ Xuân Hà, accompanied by Regiment Commander Cao Ánh Đăng aboard ship 680 of Division 128 was stationed Phan Vinh Island.

"Phan Vinh Island" as Vietnamese call it, comes from the name of the Hero of the People's Armed Forces, Lieutenant Nguyễn Phan Vinh (1933 – 1968, native of Dien Ban, Quang Nam), who was the captain of many numberless ship in the Vietnam War.