The invention discloses a combined multifunctional stringing car for a power transmission line and relates to the technical field of the stringing car for the power transmission line. The combined multifunctional stringing car comprises a hanging plate, wherein a main hanging plate is arranged at the middle part of the upper end of the hanging plate; a main hanging hole is formed in the main hanging plate; an alarm apparatus is arranged at the upper end of the main hanging plate; solar power supply devices are arranged at the upper ends, at two sides of the main hanging plate, of the hanging plate; a signal processing unit is arranged in the hanging plate; secondary hanging holes are formed in the hanging plate at two sides of the signal processing unit respectively; an infrared control switch is arranged on the hanging plate between the secondary hanging holes; the hanging plate is connected with a bottom plate through side upright columns; the front end and the rear end of the hanging plate are fastened and connected to the side upright columns through bolts A; an LED lamp tube is arranged at the lower end of the hanging plate; and the lower end of the bottom plate is connected with the side upright columns through fastening pins A. According to the combined multifunctional stringing car, the structure is stable; the operating performance is good; tractive stringing is stable; steel wires can be combined according to the requirements for stringing traction; the intelligent monitoring degree is high; and the combined multifunctional stringing car is energy-saving, environment-friendly, timely to monitor and alarm and worthy of popularization and application.