Alcohol is not recommended before the health checkup for a health certificate. Drinking alcohol can cause blood pressure to rise and affect a person’s liver function, which may lead to abnormal test results, which in turn may affect the processing of the health certificate. The checkup program when applying for a health certificate usually includes a heart checkup, blood pressure measurement and liver function test. Alcohol consumption will lead to a faster heartbeat and higher blood pressure; alcohol in the human body needs to be metabolized by the liver, which will lead to abnormal liver function indicators in the blood test and affect the processing of the health certificate. It is recommended to fast for 12 to 14 hours before applying for the health certificate, try not to drink alcohol the day before the examination, and do not eat too spicy and greasy food to ensure the accuracy of the examination. In summary, do not drink alcohol before applying for a health certificate medical examination. Drinking alcohol has a greater damage to the human body’s circulation, nerves and other systems, and it is also recommended that people who have been drinking alcohol for a long time can quit drinking to protect their health.