Secondly, it depends on whether the items brought back to China with more than 5,000 yuan have been declared. For personal articles entering and leaving the country, the customs takes "self-use and reasonable quantity" as the basic principle of inspection and release. Self-use means that passengers bring their personal belongings and give them to relatives and friends, instead of selling, renting for profit or collecting employment fees. Reasonable quantity refers to the normal quantity stipulated by the customs according to the purpose of the passenger's travel and the length of stay.
Finally, it depends on whether the purchase is legal or not.
Legal basis: Article 46 of the Customs Law of People's Republic of China (PRC), the luggage and articles brought into and out of the country by individuals and the articles sent into and out of the country by post are limited to their own use and reasonable quantity, and are subject to customs supervision.