'Yuanhong 212'is a new tomato hybrid which was developed by crossing'B69-29'as a female parent with'S70-42'as a male parent.It is middle ripening and indeterminate growth type with strong growing vigor,dark green leaves,middle leaf volume,7th to 8th segments with first inflorescence,mainly single cluster inflorescence,medium internode.Its fruit in mature is oblate,bright red,shape index is 077 and small navel,single fruit weight ranges from 165 to 270 g,high hardness,long storability,soluble solids content of 5.1%.Its marketable yield is more than 97 500 kg·hm-2.It is resistant to ToMV,CMV,leafmol and some other diseases.It can be well cultivated in greenhouse in Beijing,Shanghai,Liaoning,Shandong,Shanxi,Inner Mongolia,Henan,Hunan,Sichuan,Guangdong,etc.