Light trailer axle fault detection method

The invention relates to the field of axle fault detection, in particular to a lightweight trailer axle fault detection method, which comprises the following steps of: determining the qualification of an operating environment of a lightweight trailer according to an operating environment evaluation value, and determining the qualification of an axle state of the lightweight trailer according to a sound vibration evaluation value or a comprehensive evaluation value; on the basis of the condition that the lightweight trailer environment is unqualified, the axle abrasion degree is determined; on the basis of the condition that the lightweight trailer environment is unqualified, the axle abrasion degree is determined; based on the comparison result of the second abrasion degree of the axle and the second historical abrasion degree, determining the qualification of the judgment standard of the current detection, and determining to adjust the preset comprehensive evaluation value according to the comparison result