Abstract: In Nanjing village,Hanxue town,Wanrong county,Yuncheng city,Shanxi Province,‘Red Not Soft’peach seedlings were introduced from Pinglu county around 2000,and their fruit economic characters,growth and fruiting habits,phonological period and so on were observed and determined.The results showed that the‘Red Not Soft’peach tree has strong growth,high flowering rate and strong fruiting ability in Nanjing village,Hanxue town,Wanrong county,Yuncheng city,Shanxi Province.It is a mid-late ripening peach tree varies from sprouting to fruit ripening for about 120 days.The average weight of single fruit is 200 g,the maximum is 400 g,and the average yield of fresh peach per 667 m~2 in 18 years is about 3 500 kg.The content of soluble solids can reach 11%.It matures around August 2 nd every year.After ripening,peach fruit makes a bright red skin,few and short hair,hard meat,stone-free and stable.The shelf life lasts for about a month from the beginning of August to the end of August.It is very productive and easy to manage,and it responds well with growers,merchants and the market.