In order to clarify the feasibility of regeneration and grafting reuse of rootstock and scion after
tomato grafting，this paper took tomato‘ Jiulyu 787’ as rootstock and‘ Jiahong No. 4’ as scion，and studied on the
growth and development process of rootstock and scion residue regeneration seedlings，and compared the healing
and growth indexes of residue grafting seedlings with primary grafting seedlings. The results showed that the residue
stock of the rootstock could be regenerated by cutting，and the residue scion could be regenerated from the axillary
bud to form a complete seedling after grafting，thus shortening the breeding period for 16 days. Comparing with the
primary grafting seedlings，the survival rate，resultant force，transporting capacity and late growth parameters
had no significant differences when grafted with rootstock and scion residue. And the cost of residue grafting
seedlings was obviously lower than that of the primary grafting seedlings. Every 10 000 grafted seedlings could save
875.5 yuan，indicating the grafted rootstock and scion residue could be regenerated and grafted again，and the
economic benefits could be improved obviously.