This draft Recommendation specifies trustworthiness evaluation for IMT-2020 and beyond which are equipped with autonomous network (AN) functions. It includes the overview of trustworthiness, evaluation process for trustworthiness, evaluation metrics and related sub-metrics for trustworthiness, quantitative ways for trustworthiness in trust in AN (TiAN). In the appendixes, the details of sub-metrics are described in general, at the same time, the evaluation methodologies are described for each sub-metric, and there are a series of typical scenarios’ descriptions in detail to make it more understandable and acceptable of trustworthiness evaluation for IMT-2020 and beyond equipped with AN functions.