A month to two months. Qiaoling is a slimming product. Under normal circumstances, 6 boxes can be eaten for one to two months, depending on the patient's dosage and personal metabolism. Diet pills can suppress appetite and promote gastrointestinal peristalsis, thus achieving the effect of losing weight. If patients take small doses of drugs, their metabolism is faster, and after taking Qiaoling drugs, they can lose weight in about a month. However, if patients take a large dose of drugs and their metabolism is slow, the metabolic time after taking Qiaoling drugs will be longer, and it may take about two months to lose weight.