‘Tietuo’ is a new tomato F₁ hybrid developed by crossing inbred line‘ T3-106’ as female parent and inbred line ‘Y12-105’ as male parent．It is of indeterminate growth type with strong growth vigor and mid-late maturity．Its matured fruit is shiny red in color．The single fruit weight is 150-170 g．Its contents of soluble solid，soluble sugar and titratable acid are 4.20%，2.99% and 0.63%，respectively．The sugar-acid ratio is 4.75．The VC content is 116.0 mg · kg^-1 and lycopene content is 21.9 mg · kg^-1．It can yield about 75-90 t · hm^-2．It is highly resistant to Fusarium wilt，resistant to root-knot nematode and TYLCV，and mid-resistant to CMV and TMV．It is suitable to be cultivated in southern region of China in spring and autumn．