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办理结婚登记的外国人应当出具下列证件和证明材料：
（一）本人的有效护照或者其他有效的国际旅行证件；
（二）所在国公证机构或者有权机关出具的、经中华人民共和国驻该国使（领）馆认证或者该国驻华使（领）馆认证的本人无配偶的证明，或者所在国驻华使（领）馆出具的本人无配偶的证明。
参考答案:Foreigners who need to have the marriage registration should show the following certificates and materials of identity proof:
1.personal valid passport or other valid international travel certificates.
2. The proof of not having a spouse given by the notarizational institutions in the country concerned and attested by the Chinese embassy in that country or by the China embassy of the country, or the attestation proving the non-spouse status given by the China embassy of the country concerned.