A telescopic pulse ash blower capable of blowing ash at multiple angles, comprising a fixed inner core tube (2), a traveling device (3), a multipoint rotating mechanism (4), an outer nozzle tube (6), a combined propelling device (8), a base (12), and a nozzle (22), wherein the combined propelling device (8) is mounted at one end of the base (12), the fixed inner core tube (2) is arranged above the combined propelling device (8), the outer nozzle tube (6) is sleeved on an outer side of the fixed inner core tube (2), the outer nozzle tube (6) is connected to the traveling device (3), the traveling device (3) is connected to the combined propelling device (8), the multipoint rotating mechanism (4) is arranged on an outer side of the outer nozzle tube (6), the nozzle (22) is connected to the outer nozzle tube (6), and a gas mixer inlet (14) is formed at a top of the fixed inner core tube (2).