(1) Don’t smoke – For smokers, advise them to quit smoking. For non-smokers, do not pick up this bad habit and do not smoke in any public place. (2) Control the amount of alcohol you drink – no matter what kind of alcohol you drink, control the amount you drink, or better yet, don’t drink it at all. Doctors recommend that men should not drink more than 500 ml of beer, 200 ml of wine, and 50 ml of spirits per day, half the amount for women. (3) Don’t sunbathe too much — The medical profession has confirmed that excessive exposure to ultraviolet radiation is related to the occurrence of skin cancer and melanoma. Too much sun exposure ages the skin and increases the risk of skin cancer. (4) If you are exposed to any potentially carcinogenic substances in your work, you must strictly follow the safety regulations published by the relevant authorities and be careful and not careless at all times. (5) Eat more fresh fruits and vegetables and foods with high fiber content on a regular basis. (6) Control your weight not to be overweight – don’t eat more food containing animal fat, such as butter, cream, fatty meat, etc. (7) If you notice a lump or abnormal bleeding on a part of your body or a change in a mole on your body, then go to the hospital right away for a checkup. (8) If there is incessant prolonged coughing, prolonged hoarseness of the voice, abnormal bowel movements or loss of weight for no reason, one must go to the hospital for a careful examination. (9) Married women should have regular cervical smears, especially if there is contact bleeding. (10) Women should check their breasts regularly for lumps, and women over 50 years of age should receive regular mammograms (molybdenum targets).