Constipation is a common clinical disease.Ma Wanqian believes that the relationship between constipation and physique is close.Through long-term clinical experiences,he finds that the physique of patients with constipation is often accompanied with qi deficiency,yang deficiency,yin deficiency,qi stagnation or dampness-heat.According to the clinical experiences of drug use,Ma Wanqian takes advantages of the homology of medicine and food,and takes the taste and other factors into consideration to develop different diets for patients with different physiques,which is not only for the treatment of constipation,but improves patients' health with good clinical efficacy,and is worthy of promotion.