This types of syndrome is mostly seen in patients with weak constitutions or in the later stage of a disease and in diff这一类型的证候大多出现于体弱的病人、疾病的晚期和各种慢性病中，症见神疲体倦，面容憔悴，心悸气短，自汗，盗汗，五心烦热，畏寒肢冷，脉虚无力等。