Generally speaking, you can't get a health certificate the next day. Generally, you can get a health certificate on the second or third day after completing the physical examination items. In some cases, too few physical examination items can be issued on the same day. The health certificate mainly examines infectious diseases such as hepatitis B and triple antibody. If these infectious diseases are tested for blood, they are usually checked in the disease management center, and the results can be obtained the next day, so they can be obtained the next day.
Please note that the specific time to get the health certificate may vary according to the region and specific circumstances. For more information, please consult relevant local institutions or departments.