Medical device registration number query process is as follows: 1, log on to the home page of the State Food and Drug Administration; 2, in the home page of the navigation bar page click on the public query or enterprise query to enter; 3, the page classified in the classification of medical devices, which is divided into domestic medical devices and imported medical devices, etc., click to enter the corresponding classified enter the information can be queried. 4, enter the name of the medical device you want to query the name of the product or company name can be queried, 5, the certificate of registration of medical devices by the State Food and Drug Administration unified printing, the corresponding content by the approval of the registration of (food) drug supervision and management departments to fill in, registration number of the arrangement of the way: × (x) 1 (food) Drug Supervision and Regulation of Equipment (× 2) word ××××3 No. 4 × × × × × × × × × × × × × × 5 × × × 6 which: × 1 for the registration and approval of the department where the abbreviation: the territory of the third class of medical devices, overseas medical devices, as well as Taiwan, Hong Kong, Macao, medical devices for the "national" word; medical device registration agent, the territory of the second class of medical devices for the registration and approval of the department of the province, autonomous region, Municipalities directly under the Central Abbreviation; the first class of medical devices for the registration and approval department of the province, autonomous region, municipality directly under the Central Abbreviation and where the municipal administrative region of the abbreviation for × × 1 (without the corresponding municipal administrative region, only for the province, autonomous region, municipalities directly under the Central Abbreviation); × 2 for the form of registration (quasi, into the permit, permit): "quasi" character Apply to the domestic medical devices; "into" the word applies to overseas medical devices; "permit" word applies to Taiwan, Hong Kong, Macao medical devices; ××××3 for the approval of the year of registration; × 4 for the product management category; × × 5 for the product variety code; × × × × × 6 for the registration of water number. Medical device registration certificate is accompanied by a "medical device registration form" (see Annex 1 of these methods), and medical device registration certificate used at the same time. Medical device registration certificate is valid for five years, the expiration of six months in advance to apply for renewal of registration, or to be registered as a new product.