The Pancreatic cancer was increased because of untrammelled diet and pressure life. The paient may suffer from chronic respiratory failure after surgery and was admitted for more than sixty days in hospital. The traditional chinese medicine could playa important role for weaning. The drugs of nourishing spleen and enriching qi, rising yin and benefiting stomach was well treatment for weaning, for example Shengmai Decoction, ShenlingBaishuSan, ban xia xie xin tang. Besides the drugs of clearing heat and dissipating phlegm could disperse and facilitate lung qi, for example Maxingganshi decoction, dingchuan decoction. We support the healthy energy and leave pathogenic heat from superficial excess syndrome. Therefore both symptoms and roots was cured. The patient was weaning and discharged after four weeks.