Legal analysis: if the public security organ needs to seal up the residence or some articles due to the investigation of the case, it should deal with it in time after the investigation and unseal or collect it. Generally speaking, the longest time is no more than 60 days. Except as otherwise provided by laws and administrative regulations.

Legal basis: Article 25 of the Administrative Enforcement Law of the People's Republic of China shall not be sealed up or detained for more than 30 days; If the situation is complicated, it may be extended with the approval of the person in charge of the administrative organ, but the extension period shall not exceed 30 days. Except as otherwise provided by laws and administrative regulations.