If a lawyer's practice certificate is revoked, he can't re-qualify as a lawyer, that is, he can't engage in legal services as a lawyer.
Article 51 of the Lawyers Law
If a lawyer violates the provisions of this Law and should be warned and punished within one year after being warned and punished, the judicial administrative department of the district people's government at the municipal level with districts or municipalities directly under the Central Government shall give him a punishment of stopping practicing for more than three months and less than one year;
If the punishment for stopping practicing occurs again within two years after the expiration of the period, the judicial administrative department of the people's government of a province, autonomous region or municipality directly under the Central Government shall revoke the lawyer's practice certificate.
If a law firm violates the provisions of this Law and should be punished by suspending business for rectification, the judicial administrative department of the people's government of a province, autonomous region or municipality directly under the Central Government shall revoke its practice certificate within two years after the expiration of the punishment period.
Forty-fifth illegal treatment of lawyers If a lawyer commits one of the following acts, the judicial administrative department of the people's government of a province, autonomous region or municipality directly under the Central Government shall revoke the lawyer's practice certificate; If the case constitutes a crime, criminal responsibility shall be investigated according to law:
(1) divulging state secrets.
(2) offering bribes to judges, prosecutors, arbitrators and other relevant staff members, or instigating or inducing the parties to pay bribes.
(3) Providing false evidence to conceal important facts, or threatening or inducing others to provide false evidence to conceal important facts. If a lawyer is punished for intentional crime, his lawyer's practice certificate shall be revoked.
Article 7 of the Lawyers Law An applicant shall not be issued a lawyer's practice certificate under any of the following circumstances:
(1) Having no or limited capacity for civil conduct.
(2) Having received criminal punishment, except for negligent crimes.
(3) Being expelled from public office or having his lawyer's practice certificate revoked.