Objective: The research amied to provide the scientific basis for the sustainable utilization and reasonable utilization of medicinal plants resources for tangshan area. Method: Using the methods of field investigation

questionnaire survey

date collection

samples collection and indentification

investigation of medicinal herbs resources reserves

chemical composition test

the species composition and medical value of medicine herbs in the Mountain Yaodai were understood. Result: According to years of field investigation

most of medicinal herbs were wildspecies

78 families 196 genera and 237 species (not including variation

from and subspecies) of medicinal herbs were found.The vast majority of species composition was the angiosperms

total 225 species

94.94% of the total number of species.Among it Rosaceae

Compositae

Leguminosae

Liliaceae were the dominant families and genera. 1/3 of the total number of species. The medicate part and curative effect of the medicinal herbs were statistical studied

the special local traditional Chinese medicine was mainly introduced

and the suggestions for rational development and utilization of medicinal plants resources were put forward. Conclusion: There were rich medicine herbs in Mountain Yaodai

species

families and genera were composed of rational type

ecological and environmental protection were good

it had great value for development.