The new tomato variety ‘TY191’ is a new mid-early hybrid tomato variety with S11 as the female parent and TS30 as the male parent.The fruit is pink，round，and weighs about 230 g.Vitamin C content is 18.8 mg?（100g）-1，β-carrot content is 207 μg?（100g）-1，total acid content is 5.23 g?kg-1，soluble sugar content is 6 g?（100g）-1，sugar-acid ratio is 11.47，and soluble solids content is 5%.Bright color，good taste，resistance to cracking，hard texture，storage and transportation，it is an ideal variety for summer cultivation.Highly resistant to TYLCV，and also resistant to TMV，Fusarium wilt，leaf mold and root knot nematode.Strong heat resistance，suitable for early autumn and early spring sunlight greenhouse and greenhouse over-summer cultivation.In 2020,‘Ty191’ passed national variety examination and approval,registration number is GPD tomato (2020)150247。