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Background and objective Bevacizumab has showed its efficacy in advanced non-squamous lung cancer. The aim of this study is to assess the safety of bevacizumab plus pemetrexed and carboplatin neoadjuvant chemotherapy in patients with lung adenocarcinoma. Methods 25 patients with IIIa lung adenocarcinoma undergoing lobectemy or pneumonectomy with mediastinal lymphadenectomy after induction bevacizumab (Bev) plus pemetrexed/carboplatin (PC) were selected. Toxicity of chemotherapy and postoperative complications were analyzed. Results Grade 3 or 4 neoadjuvant-related adverse events included fatigue (3 patients), neutropenia (3 patients), hypertension (1 patient). The adverse events thought to be related to bevacizumab included epistaxis in 2 patients (grade 1: 1; grade 2: 1) and hypertension in 3 patients (grade 1: 2; grade 3: 1). Postoperative complications included pneumonia in 2 patients, bronchial stump insufficiency in 1 case, atelectasis in 2 cases, and arrhythmia in 1 case. Hemorrhage events, thromboembolic events and wound-healing problems were not observed in the perioperative period. Conclusion The treatment modality of neoadjuvant Bev-PC appears to be safe and tolerant in patients with stage IIIa lung adenocarcinoma.