There was studied the influence of medicinal preparations, created on the base of methylsiliconorganic matrix, on immediate and late follow-up result of treatment of more than 2000 patients with the digestive channel malignancy. High efficacy of application in complex of preoperative preparation of immobilized antibiotics and cytostatics, enterosorpent enterosgel for the purulent-inflammatory complications prophylaxis, lowering of bilirubin level in tumoral obturative jaundice, and in intraoperative usage for the tumor and metastases recurrences prophylaxis.