Legal Analysis: According to the relevant regulations issued by the People's Bank of China, when conducting anti-money laundering investigation, the following situations should be investigated:

(a) the basic situation of the respondents;

(2) Whether the suspicious trading activities are true;

(3) The time, amount, source and destination of funds for suspicious trading activities;

(4) Related party transactions of the respondent;

(5) Other facts related to suspicious trading activities.

Legal basis: Article 18 of the Detailed Rules for the Implementation of Anti-Money Laundering Investigation by the People's Bank of China (Trial) When conducting an anti-money laundering investigation, the investigation team shall investigate the following situations:

(a) the basic situation of the respondents;

(2) Whether the suspicious trading activities are true;

(3) The time, amount, source and destination of funds for suspicious trading activities;

(4) Related party transactions of the respondent;

(5) Other facts related to suspicious trading activities.