Study on the improvement effect and mechanism of fuling and Chenpi tea combined with flexible fasting technology on the health status of simple obesity patients with phlegm-dampness constitution

INTERVENTION: intervention group:Fuling and Chenpi tea combined with flexible fasting technolog;control group:simple flexible fasting; CONDITION: obesity PRIMARY OUTCOME: Body fat percentage;Body mass index;Gut flora; SECONDARY OUTCOME: Blood pressure;Body circumference;Fasting blood sugar; INCLUSION CRITERIA: ? Meet the diagnostic criteria for simple obesity; ? Body mass index: 28kg/m^2=BMI<37.5kg/m^2; ? Meet the phlegm‐dampness constitution criteria; ? Age 18‐70 years old, gender is not limited; ? Patients who agreed to participate in the trial and signed the informed consent form, and were able to cooperate with the investigator to complete the collection of relevant data.