According to the Administrative Measures of the People's Republic of China on the Issuance of Ordinary Passports and Entry-Exit Passes
Article 12 Where an ordinary passport is damaged, lost or stolen, a citizen may apply to the exit-entry administration department of the public security organ of the local people's government at or above the county level where the household registration is located for a replacement. When applying, in addition to the materials specified in Article 4 of these Measures, relevant materials shall also be submitted:
(1) If the certificate is damaged and applied for replacement, the damaged certificate and the explanation of the reasons for the damage shall be submitted;
(two) if the certificate is lost or stolen and applies for a replacement, the certificate of loss and the description of the loss or theft shall be submitted.