Short leveling data from Jingyang seismological station comprise some of the most important information that helps to monitor the Kouzhen—Guanshan fault zone.Several strong earthquakes have struck the surrounding area of Shaanxi Province:the Ninger M6.4 earthquake on June 3, 2007, the Lijiang M7.0 earthquake on February 3, 1996 in Yunnan, and the Anxian M5.0 earthquake on September 3, 1999 in Sichuan.Short leveling data from Jingyang seismological station show varying degrees of anomaly.There was an anomaly decline that lasted for 18 days at a rate of 0.005 mm per day before the Ninger M6.4 earthquake, for 23 days at a rate of 0.005 mm per day before the Lijiang M7.0 earthquake, and for 9 days at a rate of 0.009 mm per day before the Anxian M5.0 earthquake. This study evaluates the ability of short leveling data at Jingyang to predict earthquakes by analyzing the relationship between magnitude, anomaly decline rate, and duration of anomaly decline along with the relationship between magnitude and the duration of the anomaly in cross-fault deformation measurement.To intuitively portray connections among these data, this study clearly indicates anomalies in the data using charts.The data will be used in the experimental formulae of the China Earthquake Administration with other earthquakes, and the results harvested.This study considers that an ability to predict earthquakes will be revealed in the short leveling data of Jingyang seismological station, located in the southwest area of the north-south seismic zone.At the same time, this study discusses how much damage has been caused to the observation environment by the major quarries near the short leveling area and the effect that the arrival and departure of heavy trucks has had on observation data.After summarizing and rethinking the problems of seismic observation, this study gathers together certain experiences for use in future earthquake prediction and makes some suggestions to improve the quality of short leveling observation.