A stylus, comprising: a device body and a touch part, wherein the touch part is arranged at at least one end of the device body; a first electrode, wherein the first electrode is arranged at one end of the touch part far away from the device body; a second electrode, wherein the second electrode is arranged on the touch part, and the second electrode and the first electrode are spaced apart from each other; a third electrode, wherein the third electrode is arranged on the touch part, and the third electrode is spaced apart from each of the first electrode and the second electrode; and a control circuit, wherein the control circuit is arranged on the device body, and the control circuit is electrically connected to each of the first electrode, the second electrode, and the third electrode; wherein in a case that the stylus is matched with a touch device, a first capacitor is formed between the first electrode and a first region of the touch device, a second capacitor is formed between the second electrode and a second region of the touch device, and a third capacitor is formed between the third electrode and a third region of the touch device, and the touch device comprises a touch surface, and the first region, the second region, and the third region are spaced apart from each other on the touch surface; wherein the second electrode is configured to detect included angle information or transmit data communication information, the third electrode is configured to detect included angle information or transmit data communication information, and the included angle information is the information of the included angle between the stylus and the touch device; characterized in that the control circuit comprises a coding circuit, a data communication circuit, and a circuit switching module, wherein the coding circuit and the data communication circuit are each electrically connected to a first terminal of the circuit switching module, the second electrode and the third electrode are each electrically connected to a second terminal of the circuit switching module, and the stylus has a first working state and a second working state; at least one of the second electrode and the third electrode is electrically connected to the coding circuit through the circuit switching module in a case that the stylus is in the first working state; and at least one of the second electrode and the third electrode is electrically connected to the data communication circuit through the circuit switching module in a case that the stylus is in the second working state. a device body and a touch part, wherein the touch part is arranged at at least one end of the device body; a first electrode, wherein the first electrode is arranged at one end of the touch part far away from the device body; a second electrode, wherein the second electrode is arranged on the touch part, and the second electrode and the first electrode are spaced apart from each other; a third electrode, wherein the third electrode is arranged on the touch part, and the third electrode is spaced apart from each of the first electrode and the second electrode; and a control circuit, wherein the control circuit is arranged on the device body, and the control circuit is electrically connected to each of the first electrode, the second electrode, and the third electrode; wherein in a case that the stylus is matched with a touch device, a first capacitor is formed between the first electrode and a first region of the touch device, a second capacitor is formed between the second electrode and a second region of the touch device, and a third capacitor is formed between the third electrode and a third region of the touch device, and the touch device comprises a touch surface, and the first region, the second region, and the third region are spaced apart from each other on the touch surface; wherein the second electrode is configured to detect included angle information or transmit data communication information, the third electrode is configured to detect included angle information or transmit data communication information, and the included angle information is the information of the included angle between the stylus and the touch device; characterized in that the control circuit comprises a coding circuit, a data communication circuit, and a circuit switching module, wherein the coding circuit and the data communication circuit are each electrically connected to a first terminal of the circuit switching module, the second electrode and the third electrode are each electrically connected to a second terminal of the circuit switching module, and the stylus has a first working state and a second working state; at least one of the second electrode and the third electrode is electrically connected to the coding circuit through the circuit switching module in a case that the stylus is in the first working state; and at least one of the second electrode and the third electrode is electrically connected to the data communication circuit through the circuit switching module in a case that the stylus is in the second working state.