Abstract: From the perspective of spleen and stomache， etiology， pathogenesis and treatment methods of chronic functional constipation will be discussed. According to modern clinical study， its basic pathogensis was deficiency of spleen qi and dysfuction of intestine transportation. Combined with spleen tranportation theory， the treatment principle should be improving spleen's transporting function. Along with syndrome differentiation and treatment， 70 of raw atractylodes and 30 g fruit of immature citron would be prescibed to get better effects in clinic.