Abstract: This study focused on studying the fine combination of Luoyang Academy of Agricultural Sciences 0634 the 012 female parent,male parent 03-5,in the spring crop of large Shed conditions,different pollination periods repeated pollination of tomato hybrid seed production of the key indicators of the impact of.The results showed that：Repeat flowering tomato pollination,pollination with the three days two days two pollination with other treatments were significant;bud stage to repeat pollination,pollination in the afternoon a meeting with other treatments were significant.