A touch identification device on the basis of Doppler effect, comprising: a first transceiving module used for transmitting a first detection wave along a first direction and receiving a first feedback wave formed from the first detection wave after being reflected by a touch body; a second transceiving module used for transmitting a second detection wave along a second direction and receiving a second feedback wave formed from the second detection wave after being reflected by the touch body, an arrival angle from the first direction to the second direction being a predetermined angle, and the first direction and the second direction being intersected at a touch point of the touch body; and a calculation module connected with the first transceiving module and the second transceiving module, and used for calculating a moving speed and a moving direction of the touch body at the touch point according to the first detection wave, the first feedback wave, the second detection wave and the second feedback wave, wherein the first detection wave and the second detection wave are both electromagnetic waves; the calculation module is used for, according to the following formula: f 3 = f 1 ∗ 1 − v 2 c 2 1 + v ∗ cos θ 1 c; f 4 = f 2 ∗ 1 − v 2 c 2 1 + v ∗ cos θ 2 c; and θ 1 + θ 2 = θ 0; calculating the moving speed v, an included angle θ 1 when the first direction is anticlockwise rotated to the moving direction, and an included angle θ 2 when the moving direction is anticlockwise rotated to the second direction; the calculation module judges whether θ 1 and θ 2 are negative values, if the calculation module judges that θ 1 or θ 2 is a negative value, then the calculation module determines that the calculated θ 1 and θ 2 are invalid calculation results, and is used for, according to the following formula: f 3 = f 1 ∗ 1 − v 2 c 2 1 + v ∗ cos θ 1 c; f 4 = f 2 ∗ 1 − v 2 c 2 1 + v ∗ cos θ 2 c; and θ 1 + θ 2 = θ 0 + 360 °; calculating the moving speed v, the included angle θ 1 when the first direction is anticlockwise rotated to the moving direction, and the included angle θ 2 when the moving direction is anticlockwise rotated to the second direction; wherein, f 1 is the frequency of the first detection wave, f 2 is the frequency of the second detection wave, f 3 is the frequency of the first feedback wave, f 4 is the frequency of the second feedback wave, θ 0 is the predetermined angle, c is transmission speeds of the electromagnetic waves, and f 1 is unequal to f 2. a first transceiving module used for transmitting a first detection wave along a first direction and receiving a first feedback wave formed from the first detection wave after being reflected by a touch body; a second transceiving module used for transmitting a second detection wave along a second direction and receiving a second feedback wave formed from the second detection wave after being reflected by the touch body, an arrival angle from the first direction to the second direction being a predetermined angle, and the first direction and the second direction being intersected at a touch point of the touch body; and a calculation module connected with the first transceiving module and the second transceiving module, and used for calculating a moving speed and a moving direction of the touch body at the touch point according to the first detection wave, the first feedback wave, the second detection wave and the second feedback wave, wherein the first detection wave and the second detection wave are both electromagnetic waves; the calculation module is used for, according to the following formula: f 3 = f 1 ∗ 1 − v 2 c 2 1 + v ∗ cos θ 1 c; f 4 = f 2 ∗ 1 − v 2 c 2 1 + v ∗ cos θ 2 c; and θ 1 + θ 2 = θ 0; calculating the moving speed v, an included angle θ 1 when the first direction is anticlockwise rotated to the moving direction, and an included angle θ 2 when the moving direction is anticlockwise rotated to the second direction; the calculation module judges whether θ 1 and θ 2 are negative values, if the calculation module judges that θ 1 or θ 2 is a negative value, then the calculation module determines that the calculated θ 1 and θ 2 are invalid calculation results, and is used for, according to the following formula: f 3 = f 1 ∗ 1 − v 2 c 2 1 + v ∗ cos θ 1 c; f 4 = f 2 ∗ 1 − v 2 c 2 1 + v ∗ cos θ 2 c; and θ 1 + θ 2 = θ 0 + 360 °; calculating the moving speed v, the included angle θ 1 when the first direction is anticlockwise rotated to the moving direction, and the included angle θ 2 when the moving direction is anticlockwise rotated to the second direction; wherein, f 1 is the frequency of the first detection wave, f 2 is the frequency of the second detection wave, f 3 is the frequency of the first feedback wave, f 4 is the frequency of the second feedback wave, θ 0 is the predetermined angle, c is transmission speeds of the electromagnetic waves, and f 1 is unequal to f 2.