Astronauts are one in a million and are in excellent physical condition. But because they have to fly in space for 119 hours, astronauts may experience "seasickness", accompanied by vomiting, dizziness and other symptoms. For this reason, before the launch of the spacecraft, the relevant medical personnel have prepared the appropriate medicines on board the spacecraft, in case of emergency.
Air regenerator reaction drug disk, is an important emergency product. Once the hatch fails to open during the return, it becomes the source of life for the astronauts in the absence of air: it generates oxygen and absorbs carbon dioxide. Don't underestimate this less than 5 kilograms of metal bucket, it can save two astronauts nearly a day of survival air. As a precautionary measure, China has organized many rescue medical teams all over the world. They prepared thousands of milliliters of blood in advance for the two astronauts, which can be preserved for 21 days.
To monitor the astronauts' physical condition, the medical staff also prepared special test "undershirts" for them. This kind of medical monitoring equipment can measure a number of physiological indicators of the astronauts and send back relevant data through the ground station. Once the astronauts are found to have abnormalities in their bodies, the medical staff on the ground will take appropriate measures to notify the astronauts for treatment.
In order to prevent the spacecraft from landing in a non-designated landing zone, the cabin also prepares lifeboats for the astronauts, anti-submergence cold suits, as well as food, drinking water, tools, flares, and other items needed during the survival period; in order to be safe and also prepared for a pistol, a knife used to cut down a tree, and wildlife survival supplies, and so on.