That is, the most basic check usually has the following items: 1. General physical examination: measure the height, weight and blood pressure of human body through instruments, and scientifically judge whether the weight is standard and the blood pressure is normal. 2, blood test, blood type, blood routine: blood routine has 18, mainly to check whether there is inflammation, blood disease or anemia. Routine blood examination items, including red blood cell count, white blood cell count, platelet count, hemoglobin and other 18 indicators. According to these examination results, it can be judged whether the subjects who take part in the on-the-job physical examination have blood system diseases or liver and spleen diseases. 3. Urine routine: used to check urinary system diseases, such as urinary system infections, tumors, stones and understand renal function, and can also be used to assist in checking other system diseases, such as diabetes, hypertension and hepatitis. 4. Chest X-ray: the examination of heart, lung and diaphragm diseases of those who take part in the on-the-job physical examination. 5. Internal medicine: mainly aimed at the examination of heart, lung, liver, spleen, gallbladder and nervous system of the physical examination personnel. 6. Ophthalmology: check the visual status, eyelids, conjunctiva, eyeballs, whether the color is weak and so on. In addition, through the slit lamp examination of ophthalmology, it can be found whether the person who enters the physical examination has diabetes or hypertension.