To provide an operation assisting method of a temporarily twisting work machine for assisting abnormality disposition of an operator by not only displaying abnormality to the abnormality but also indicating and performing proper abnormality disposition to the abnormality by classifying the abnormality by a factor.

This operation assisting method of the temporarily twisting work machine for assisting treatment to the abnormality of the temporarily twisting work machine, is characterized by forcedly performing yarn cutting treatment when the abnormality is raw yarn quality abnormality by quality abnormality of a raw yarn package by continuing operation by switching a winding package to a new package when the abnormality is sudden and sudden work yarn quality abnormality related to yarn quality after work by detecting the abnormality.