'Zhenwei No.1'is a new cherry tomato F1 hybrid with self-inbred line'W-1-3-1-4'as female parent and'B-1-2-1-2-1'as male parent.It is an early maturing and infinite-growth type with strong plant growth,less leafy,and predominantly polychymes inflorescences.The matured fruit is pink in color,young fruit has green shoulder and the fruit is short oval in shape,with sweet and sour taste.The soluble solids content is 9.5%,lycopene content is 66.2 mg·kg-1,VC content is 289.3 mg·kg-1.It has good fruit setting ability,with an average single fruit weight of 18 g.The early yield is about 12.75 t·hm-2,and the total yield is about 49.50 t·hm-2.It is highly resistant to cucumber mosaic virus(CMV)and Fusarium wilt,moderately resistant to tobacco mosaic virus(TMV)and tomato yellow leaf curl virus(TYLCV).It is suitable for protected fields cultivation in Shanghai,Jiangsu,and Zhejiang areas.