A：According to the National Medical Products Administration, individuals can bring a small amount of medication for personal use when entering or leaving China. 

According to the Regulation on the Administration of Narcotic Drugs and Psychotropic Drugs: For the sake of treating illnesses, individuals may, on the basis of medical diagnoses certifications issued by medical institutions and personal identity certificate, carry with them narcotic drugs and Class 1 psychotropic substances within the maximum amounts permissible for a single prescription. 

Medical personnel who carry small amounts of narcotic drugs and psychotropic substances into or out of the country for medical purposes are to hold permits for carrying these substances issued by the people's government drug regulatory departments at and above the provincial level. Customs are to grant releases on the basis of the permits for carrying narcotic drugs and psychotropic substances.

For further information, please contact the Shanghai Customs hotline at 021-12360.