An Unmanned Aerial Vehicle, UAV, operating method, comprising: acquiring mapping information of an operation object to be operated, the mapping information comprising a safe height, geographic position information and a spray radius, of the operation object; adjusting a flight height of the UAV to the safe height, and flying, according to the safe height, to a position corresponding to the geographic position information; and performing, at the position corresponding to the geographic position information, a spiral spraying operation on the operation object based on the spray radius; characterised in that performing, at the position corresponding to the geographic position information, the spiral spraying operation on the operation object based on the spray radius comprises: determining operating parameters required for the spiral spraying operation, the operating parameters comprising an initial hovering radius, a number of hovers, a spiral pitch and a helix angular rate, wherein the initial hovering radius is less than or equal to the spray radius; and taking the geographic position information of the operation object as a spiral center, starting to fly around with the initial hovering radius, increasing the spiral pitch every turn, completing an operation of the operation object when the number of hovers is satisfied and/or the spray radius is reached, and during the flight, rotating a UAV body according to the helix angular rate. acquiring mapping information of an operation object to be operated, the mapping information comprising a safe height, geographic position information and a spray radius, of the operation object; adjusting a flight height of the UAV to the safe height, and flying, according to the safe height, to a position corresponding to the geographic position information; and performing, at the position corresponding to the geographic position information, a spiral spraying operation on the operation object based on the spray radius; characterised in that performing, at the position corresponding to the geographic position information, the spiral spraying operation on the operation object based on the spray radius comprises: determining operating parameters required for the spiral spraying operation, the operating parameters comprising an initial hovering radius, a number of hovers, a spiral pitch and a helix angular rate, wherein the initial hovering radius is less than or equal to the spray radius; and taking the geographic position information of the operation object as a spiral center, starting to fly around with the initial hovering radius, increasing the spiral pitch every turn, completing an operation of the operation object when the number of hovers is satisfied and/or the spray radius is reached, and during the flight, rotating a UAV body according to the helix angular rate. determining operating parameters required for the spiral spraying operation, the operating parameters comprising an initial hovering radius, a number of hovers, a spiral pitch and a helix angular rate, wherein the initial hovering radius is less than or equal to the spray radius; and taking the geographic position information of the operation object as a spiral center, starting to fly around with the initial hovering radius, increasing the spiral pitch every turn, completing an operation of the operation object when the number of hovers is satisfied and/or the spray radius is reached, and during the flight, rotating a UAV body according to the helix angular rate.