Objective　To investigate the normal values and differences of proximal nerve conduction in normal adults in Northeast China. Methods　A total of 208 people were selected from the normal results of the electromyography examination in the Second Hospital of Jilin University. The peripheral motion latency（LAT）and amplitude（CMAP）of the upper scapular nerve，phrenic nerve，musculocutaneous nerve and lower extremity femoral nerve were measured. The latency and amplitude of the bilateral phrenic nerve H reflection are also measured，followed by statistical analysis. Results　With the increase of age，the MCV Lat of the superior scapular nerve，phrenic nerve，musculocutaneous nerve and femoral nerve gradually prolonged，and the amplitude of CMAP decreased with the increase of age. The nerve MCV Lat was shorter and the CMAP amplitude was lower in the scapular nerve，sacral nerve，musculocutaneous nerve and femur in female population. The amplitude of the femoral nerve in males was significantly higher than that in females（P<0.05）. There was no significant difference in the latency and amplitude of the proximal nerves of the left and right limbs. The age and gender were opposite to the phrenic nerve H. The latency and amplitude of reflection are small and there is no statistical difference. Conclusion　The measured values of MCV in the proximal nerve of adults of different ages are related to age and gender. In clinical application，the judgment should be made with reference to the normal age of the corresponding age group and gender.