1. A foreign national planning to reside in China for more than a year shall, when applying for an entry visa, present a health certificate issued by a medical organization attested by the government of his or her home country, or a health certificate issued by any medical organization and notarized by a notary public. The health certificate shall be valid for at least six months from the date of issuance. (Excerpt from The Rules Governing the Implementation of the Law of the People's Republic of China on the Entry and Exit of Aliens)

2. An inbound Chinese national who has resided abroad for more than three months or an overseas Chinese from Hong Kong, Macao or Taiwan who has been approved for relocation back to China, to take up residency or employment, shall present a health certificate issued by the inspection and quarantine authority or a public hospital in the country of his or her residence prior to returning to China (the health certificate must include AIDS and venereal disease serology test results). If he or she is unable to produce a valid certificate, he or she shall undergo a physical examination at an inspection and quarantine agency after reentry; local public security authorities shall hold the right to urge him or her to undergo physical examination and provide necessary assistance to satisfy all relevant requirements assuring good health. (Excerpt from Health Inspection [89] No. 5 Notice of the Ministries of Health and Public Security on the Presentation of Health Certificates by Inbound and Outbound Chinese Citizens)

3. An inbound Chinese national who has resided abroad for more than a year shall declare his or her physical condition to the inspection and quarantine authority upon reentry. He or she shall undergo a physical examination at the nearest inspection and quarantine agency or hospital above the county level within one month of reentry. (Excerpt from The Rules for the Implementation of the Law of the People's Republic of China on Frontier Health and Quarantine)

4. Passengers coming from areas infected by Yellow Fever shall present a valid vaccination certificate to the inspection and quarantine authority upon entry. (Excerpt from The Rules Governing the Implementation of the Law of the People's Republic of China on the Entry and Exit of Aliens)

Chinese source: hunan.gov.cn