Abstract: ‘Tiancheng’is a new generation of hybrid watermelon germplasm with high yield，resistant to disease，and superior quality. The whole fruit growth period is about 95 d and the fruit development period is 30 d. The shape of fruit is oval shape and pericarp is green with greenish black stripes on the surface which was covered with wax powder. The average single fruit weight is 2–3 kg. The flesh is orange yellow，fine and close，delicious sweet. The soluble solids content is 12%–13%. It has some characteristics including early ripening，crack resistance，excellent storage capacity，wide adaptability，high adverse resistance to Fusarium wilt and flavor with enjoyable taste. The yield is up to 35 t ? hm-2 with the high commodity rate.

Key words: watermelon, cultivar