There are many particles in Luoshan dialect.Usually a particle has a variety of semantic function. "[san 33 ]" and "[pan 33 ]" are two of the particles that have the local characteristic.Although sometimes the use of them can replace the particle of Putonghua,they have the deep semantic relation that the corresponding particles in Putonghua don’t have.This article will analyze two of the particles "[san 33 ]" 、 "[pan 33 ]" from the semantic.Then according to the change of the tail of Chinese nasal voice,we make further analysis in order to pursue the remains of ancient Chinese.