Obesity refers to the excessive accumulation or abnormal distribution of fat in human body. Its symptoms and clinical manifestations include the following aspects: 1, physical aspects: bloated posture, clumsy movements; Or have a big belly (commonly known as a beer belly); 2. Psychological aspect: Obesity is easily discriminated against, resulting in inferiority complex; 3, respiratory dysfunction, such as a little activity is easy to pant; 4. Obesity is related to hypertension, diabetes, hyperlipidemia, osteoarthritis and sleep apnea syndrome.