Inclusion Criteria:  Patients recruited for this study should meet the following inclusion criteria:  1.Satisfying the criteria for the diagnosis of abdominal obesity; 2.18 years old≤age≤55 years old; 3.Being able to fully understand and voluntarily sign informed consent.  Exclusion Criteria:  Patients with any of the following criteria will be excluded from the study:  Presence of endocrine disorders such as: polycystic ovary syndrome; Cushing's syndrome; uncorrected thyroid disease. Presence of diabetes mellitus, or hypertension, or abnormal liver and kidney functions, or mental diseases. Pregnant or lactating state, women who plan to become pregnant within 12 weeks. History of bulimia, anorexia, or any other eating disorders. Use of medications in the past 3 months, such as diet drugs, corticosteroids, antidepressants, which may affect weight or appetite. History of surgical weight loss, postoperative adhesions. History of participating in a clinical study of weight loss or any other therapies to lose weight in the past 3 months. Unable to cooperate with the research caused by other diseases or reasons.