Clinical efficacy evaluation of acupuncture in the treatment of overweight or obesity

INTERVENTION: Sham acupuncture group:Non‐meridian and non‐point sham acupuncture treatment;Real acupuncture group:Acupuncture of meridians and acupoints; CONDITION: Overweight / Obese PRIMARY OUTCOME: Body Mass Index;Waist‐to‐Height Ratio; SECONDARY OUTCOME: China‐PAR;Dutch Eating Behaviour Questionnaire;Blood lipids (total cholesterol, triglycerides, low density lipoprotein, high density lipoprotein);Rosenberg Self‐Esteem Scale;Fasting plasma glucose;Body Fat Percentage;the Impact of Weight on Quality Of Life;Hip Circumference;Waist‐to‐Hip‐Ratio;Adverse Events;Psychological Function Scale;the MOS item short from health survey;Waist Circumference;Body Image Scale;Berlin Questionnaire;Social Function Scale; INCLUSION CRITERIA: a.Meet the Western medical diagnostic criteria of overweight or obesity;b.Gender is unlimited,18=age=40;c.No other weight loss measures other than lifestyle intervention have been taken in recent 3 months;d.Voluntarily participate in this trial and sign the informed consent form.