Table 2.

PICOS framework.

Population	Patients diagnosed with cancer pain.
Intervention	Treatment group intervention at least includes a kind of acupuncture therapy (acupuncture, electroacupuncture, auricular acupuncture, etc.) or moxibustion therapy.
Comparison	Any comparators.
Outcome	Effectiveness indicators: total effective rate; pain relief rate, VAS scores, Pain Numerical Rating Scale (NRS) score, Analgesic efficacy, EORTC QLQ-C30 scores, etc.
Study design	Systematic review or meta-analyses that only included RCTs or qRCTs.