The physical evidence identification center of the Ministry of Public Security, the forensic identification center of the Beijing Public Security Bureau, the Beijing Blood Center and other units usually accept the entrustment of public security law, notary offices, law firms and other departments to do paternity testing, and private individuals have to go through the entrustment procedures with the local judicial department.

The parties shall provide the original valid certificates such as ID card (passport), birth certificate and marriage certificate. , by the appraisal unit staff to check and copy the file, the original immediately returned to the parties.

The parties personally fill in the Application for Paternity Identification, including the basic information of the parties and the reasons for the application. If the child is young and can't write, it can be filled in by the parents, and then confirmed by the child's fingerprint.

The paternity test unit takes photos of the parties and files them, and the photos taken together will be used in the paternity test report.

Collect blood samples from all sides, and each person takes 2-3 ml of blood; After the blood collection is completed, the signature of the blood collector is required, and the blood collector will confirm it according to the fingerprint; The parties concerned pay the paternity test fee.

After the paternity test unit collects the blood samples of the parties concerned, it usually makes a paternity test report audited and appraised by experts within 3 weeks, and then sends it to the entrusting unit or the client, and the experts are responsible for explaining the appraisal results.

Note: The files and appraisal results of the parties concerned are confidential and are not open to the public or for anyone else to inquire.