Summary of Shanxi digital crustal deformation network layout, the network observation data from the data integrity rate, observation precision, noise level, reflecting earthquake ability, information availability, existing problems and other aspects were analyzed, the results show that : the network layout is reasonable, individual equipment operation quality and" China Earthquake Precursor Network" technical requirements exist gap, overall power network has better reflecting earthquake ability, but in the instrument layout deficiencies, to be reasonable with the observation equipment.