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Abstract Background Metallic large Y stent placement has been used mainly for airway disease around the main carina. However, few studies have reported this treatment for bronchial disease around the primary right carina. Methods Twenty-eight patients were treated by small y stent. All stents were custom-designed and placed under fluoroscopic guidance. Clinical and imaging data were analyzed retrospectively. Results Thirty-one stents were successfully inserted in 28 patients. Twenty-five patients succeed at the first attempt (89.3%), and 3 patients needed a second attempt. Twelve complications occurred in 10 patients (35.7%). Stent restenosis and sputum retention were the most common complications. Five patients underwent successful stent removal due to complications or cure efficacy. During follow up, 17 patients died of tumors and one died of myocardial infarction. The 1-, 3-, and 5-year survival rates were 49.3, 19.6 and 19.6%, respectively. Conclusions Metallic small y stent placement is technically feasible, effective and safe for bronchial disease around the primary right carina.