The status of ethphon used on tomato in 8 cities of Shandong province was analyzed systematically.Considering existing problems,different application methods and rate were planed to determine the effects of ethphon on tomato maturity and quality.Results showed that the way of smearing pedicel had the lowest influence on tomato.Under normal dose,Vc content reduced 4.35~5.89% with the reduction of lycopene content by 8.77~9.78% and soluble solids by 2.45~ 3.17%.With the growth of application rate,effects of ethephon on tomato were increasing.