The invention discloses a portable flushing pipe heating and heat preservation device for urinary surgery. The portable flushing pipe heating and heat preservation device comprises a vehicle body, a box body is arranged at a top part of the vehicle body, a heat preservation layer is arranged on an inner wall of the box body, heating plates are arranged on two sides of the inner wall of the heat preservation layer, a liquid medicine tank is fixed to a center of an inner cavity of the box body, a motor is arranged at a top part of the box body, a stirring shaft connected with a bottom end of a connecting shaft is arranged in an inner cavity of the liquid medicine tank, a connecting frame is fixed to an outer wall, located above the liquid medicine tank, of the connecting shaft, a flushing pump is arranged at a top part of the vehicle body, an output end of the flushing pump is connected with a connecting pipe, and an electric control box and a temperature sensor are arranged on an outerwall of the box body, so that proper temperature during flushing is guaranteed, a comfort feeling during flushing is improved, a curative effect of a flushing liquid medicine is ensured, a discomfortfeeling of a body of a patient caused by lower temperature of the liquid medicine, particularly lower temperature of the liquid medicine during flushing in winter is avoided, possibility of aggravation of diseases caused by too cold temperature of the flushing of the liquid medicine is prevented, and rehabilitation of the patient after urological surgery is facilitated.