The following items are required for male physical examinations: 1. blood glucose, blood lipids, liver function, kidney function and routine blood tests, which require blood sampling in the morning on an empty stomach to check for diabetes, hyperlipidemia, hyperuricemia and anemia, etc.; 2. screening for tumors, including methemoglobin for liver cancer, carcinoembryonic antigen for intestinal cancer, prostate specific antigen for prostate cancer, tumor marker 724 for stomach cancer, tumor marker 19-9 for pancreatic cancer, neuronal specific enolase for lung cancer; 3. Tumor marker 19-9 for pancreatic cancer and neuron-specific enolase for lung cancer; 3. Ultrasound of liver, gallbladder, pancreas, spleen and kidney to check for fatty liver, gallbladder polyps, gallbladder stones, kidney stones and liver and kidney cysts; 4. Frontal and lateral radiographs of chest or CT examination of chest to check for lung cancer and lung nodules for men who smoke.