This project mainly researched on fruit appearance and quality of green orange in different areas of Qiongzhong county in Hainan province. The results show that： the green orange fruit were round; with fruit shape index of 0.975; the green peel thickness was 3.05mm; the single fruit weight was 171.27g with 11.03 capsular flaps; average seed number was 14.31; seed weight was 2.58 g; juice yield was 56.4%. The total soluble solid content（TSS）, titrated acid content（TA）and the the ratio of TSS/TA was 10.89%, 0.55% and 20.24 respectively. Vc content was 47.33 mg/100g. Above results can provide some suggests for improving the quality of green orange.