Obesity is not only a cosmetic problem, but also a major cause of health risks. Generally speaking, obesity has certain clinical manifestations, and obese patients can become less active and prone to some neurological symptoms as the degree of obesity increases. When obesity develops to a certain degree, a series of symptoms can also appear, such as shortness of breath, rapid pulse, palpitations, arrhythmia, etc. Especially for patients with hypertension, due to the large amount of fat deposition inside and outside the heart muscle and easy to occur myocardial strain, resulting in left heart enlargement, heart failure, and sometimes even sudden death can occur. Many obese patients can occur obvious lower limb swelling, also easy to appear lower limb varicose veins, gout or other joint diseases. In addition, obese patients are often prone to liver fat deposition and bruising, resulting in hepatomegaly and kidney stones due to kidney bruising. As obese patients, they can also have changes in temperament and personality, mainly manifesting as lethargy, lack of concern for things, lack of energy and easy fatigue, feeling numb and sluggish to many things. Obese patients are also prone to diabetes, atherosclerosis, hypertension, coronary heart disease, stroke, gallstone disease and so on. Obesity and the occurrence of several cancers are also positively correlated. Compared with people of normal weight, men who are obese are more likely to suffer from colorectal cancer and prostate cancer. Women with obesity are more likely to develop gallbladder cancer, breast cancer, cervical cancer and ovarian cancer.