Recently, numerous Chinese investors in Hong Kong and US stocks have been notified by tax authorities to conduct self-inspections of their domestic and international income and file tax returns promptly. Some taxpayers have already fulfilled their obligation by paying personal income tax on cross-border investment income at a rate of 20%. Compared to previous years, this year's tax payment and supplementary tax payment notifications are notably more frequent and extensive, employing various forms such as text messages and phone calls.