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By comparing the endoscopy-assisted transoral approach (EATA) with external approaches (EAs) for the resection of parapharyngeal space tumors (PPSTs), we determined whether the EATA has advantages in terms of operation time, intraoperative bleeding volume, postoperative hospitalization, drainage volume, and complications. At the same time, we summarized the surgical indications for the EATA. Systematic literature retrieval was performed in the PubMed, Web of Science, Embase, CNKI, Wanfang, and CQVIP databases up to February 2020. We calc