Tomato is easy to produce misshaped flower when it is abnormal during buds differentiation.And misshaped flowers are main reason for misshaped fruits of tomato.Misshaped fruits are not only uglier in appearance,but also more unpalatable than normal fruits.So misshaped fruits are difficult to gain economic profits as good as normal fruits do.Influence factors on buds differentiation of tomato,including environmental factors and inside factors,and the relations between buds differentiation and misshaped fruits which influence the rate of misshaped fruits seriously were reviewed in the paper.