I went to Hong Kong for the first time and was investigated and asked by the Immigration Department.

Entry-exit management personnel have the right to cross-examine on the spot. As long as they have no problems, they should cooperate with cross-examination. According to Article 58 of the Exit and Entry Administration Law, the measures stipulated in this chapter, such as on-the-spot interrogation, continuing interrogation, detention review, limiting the scope of activities and deportation, shall be implemented by the public security organs of local people's governments at or above the county level or the entry-exit frontier inspection organs.

Article 59 A suspect who violates the exit and entry administration may be interrogated on the spot; After cross-examination on the spot, under any of the following circumstances, cross-examination may be continued according to law:

(a) suspected of illegal entry and exit;

(two) suspected of assisting others in illegal entry and exit;

(3) Foreigners are suspected of illegal residence or illegal employment;

(four) suspected of endangering national security and interests, disturbing public order or engaging in other illegal and criminal activities.

Interrogation on the spot and continued interrogation shall be conducted in accordance with the procedures stipulated in the People's Police Law of the People's Republic of China.

If the public security organ of the local people's government at or above the county level or the entry-exit frontier inspection organ needs to summon a person suspected of violating entry-exit administration, it shall be implemented in accordance with the relevant provisions of the Law of People's Republic of China (PRC) on Public Security Administration Punishment.

Article 60 A foreigner who falls under any of the circumstances specified in the first paragraph of Article 59 of this Law can't be ruled out after on-the-spot questioning or continuous questioning, and needs further investigation may be detained for examination.

To conduct detention review, a decision on detention review shall be submitted within 24 hours and an inquiry shall be made. If it is found that the detention review should not be carried out, the detention review should be lifted immediately.

The detention review period shall not exceed thirty days; If the case is complicated, it may be extended to 60 days with the approval of the public security organ of the local people's government at the next higher level or the entry-exit frontier inspection organ. For foreigners with unknown nationality and identity, the detention review period shall be counted from the day when their nationality and identity are ascertained.