In recent years, many earthen archeological sites have been extensively damaged because of urban and traffic construction as well as the lack of effective measures to test and evaluate them. Based on the blasting vibration observation of the G7 highway, the attenuation analysis of peak particle acceleration and peak velocity is carried out to study the impact of blasting vibration on the earthen archeological site of the Mingshui military fortress that is adjacent to the blasting site. According to the observation and data analysis of vibration acceleration and speed in vertical and horizontal directions, the attenuation law of vibration peak particle acceleration of some particles is examined under different explosive capacities. Construction suggestions related to vibration control site and maximum explosive capacity near the highway blasting are given, and the related data of blasting construction near the earthen ruins are accumulated. Finally, the corresponding results and suggestions can provide reference to similar efforts to protect earthen ruins in the future.