According to the Qicha App, Huawei Technologies Co., Ltd. recently published a patent for "Method and System for Predicting Motion Trajectory", the announcement number is CN112712729A, and the application date is March 2020. According to an enterprise search patent query, this application relates to the field of smart driving. This method is applied to smart cars. The applied motion trajectory accuracy of the first target obtained by the above method is higher, which further improves the safety of smart car driving. .