The invention provides a method for suppressing an airflow disturbance error in high-temperature deformation non-contact measurement, and belongs to the technical field of measurement. The method comprises the following steps: uses a high-speed camera to obtain digital image sequences during the high-temperature deformation process of material components, calculating a sequence displacement fieldin the deformation process of the material components in every two sets of the digital image sequences; performing wavelet decomposition on the sequence displacement field to obtain the decomposed high-frequency coefficient matrix and low-frequency coefficient matrix; zero setting the high-frequency coefficient matrix, performing smoothing filtering on the low-frequency coefficient matrix, and calculating the all-zero high-frequency coefficient matrix and the smoothed low-frequency coefficient matrix; finally, obtaining a displacement field after wavelet average noise reduction of the sequencedisplacement field by using the wavelet reconstruction. The method provided by the invention obtains a smooth displacement field by performing wavelet de-noising processing on a displacement field containing noise disturbed by an air flow, which solves the influence of airflow disturbance on non-contact deformation measurement such as digital image correlation in a high temperature environment, and improves the accuracy of non-contact deformation measurement in a high temperature environment.