Abstract: Tomato is one of the important vegetable crops in Fuzhou region In recent years, it was severely affected by virus diseases and sharply decreased the yield The pathogentic viruses were identified to be Cucumber mosaic virus (CMV) Potato virus Y (PVY) and Tobacco mosaic virus (TMV) which included in both tobacco and tomato strains Among the samples from field, 35% was infected by TMV, 34% by CMV and 0.14% by PVY.