Gu can't produce a health certificate.

Over 40. The functional reference value of aspartame is from 0 to 40. The requirement of health certificate is that the liver function aspartame and aspartame transaminase are within the normal range of 0 to 40. If it exceeds twice the upper limit of normal value, it is unqualified and needs further examination of hepatitis B. If the liver function is within twice the normal range and other indicators are normal, you can also apply for a health certificate.