To get a "lawyer's practice license" seems to be an internship in a law firm for one year, right?

Yes, this internship period is the period of working in a law firm after obtaining the legal professional qualification certificate.

Measures for the administration of lawyers' practice

Article 6 To apply for practicing as a lawyer, the following conditions shall be met:

(a) support the constitution of People's Republic of China (PRC);

(2) Obtaining the legal professional qualification certificate through the national unified judicial examination;

(3) Having worked as an intern in a law firm for one year;

(4) Good conduct.

The lawyer qualification certificate obtained before the implementation of the national unified judicial examination has the same effect as the legal professional qualification certificate when applying for lawyer practice. Enjoy the relevant registration conditions and preferential measures for passing the national unified judicial examination and obtain the legal professional qualification certificate.

Where the practice of lawyers is restricted by regions, it shall be handled in accordance with relevant regulations. Persons who apply for practicing as lawyers shall participate in the internship activities organized by the Lawyers Association in accordance with the provisions and pass the examination by the Lawyers Association.

Extended data

Measures for the administration of lawyers' practice

Article 9 A lawyer's practice certificate shall not be issued under any of the following circumstances:

(1) Having no or limited capacity for civil conduct;

(2) Having been subjected to criminal punishment, except for negligent crimes;

(3) Being expelled from public office or having his lawyer's practice certificate revoked.

Baidu Encyclopedia-Measures for the Administration of Lawyers' Practice