A load prediction method, comprising: acquiring load information of a local load entity; acquiring load information of a load entity adjacent to the local load entity; and predicting load of the local load entity in a next period according to the load information of the local load entity and the load information of the load entity adjacent to the local load entity; characterised in that the load entity adjacent to the local load entity comprises: a mutual-aid load entity, an upper-layer load entity, and a lower-layer load entity, and the acquiring load information of a load entity adjacent to the local load entity comprises: receiving a mutual-aid neighbor notification message sent by a mutual-aid load entity in a load entity dynamic power manager DPM address coding table, and obtaining load information of the mutual-aid load entity by processing the mutual-aid neighbor notification message, wherein the load information comprises: actual current load, predicted load, a prediction error, and time information; receiving an upper-layer neighbor notification message that is sent by an upper-layer load entity in the load entity DPM address coding table and corresponds to the local load entity, and obtaining load information of the upper-layer load entity by processing the upper-layer neighbor notification message; receiving a lower-layer neighbor notification message that is sent by a lower-layer load entity in the load entity DPM address coding table and corresponds to the local load entity, and obtaining load information of the lower-layer load entity by processing the lower-layer neighbor notification message; and obtaining the load information of the load entity adjacent to the local load entity by summarizing the load information of the mutual-aid load entity, the load information of the upper-layer load entity, and the load information of the lower-layer load entity. acquiring load information of a local load entity; acquiring load information of a load entity adjacent to the local load entity; and predicting load of the local load entity in a next period according to the load information of the local load entity and the load information of the load entity adjacent to the local load entity; characterised in that the load entity adjacent to the local load entity comprises: a mutual-aid load entity, an upper-layer load entity, and a lower-layer load entity, and the acquiring load information of a load entity adjacent to the local load entity comprises: receiving a mutual-aid neighbor notification message sent by a mutual-aid load entity in a load entity dynamic power manager DPM address coding table, and obtaining load information of the mutual-aid load entity by processing the mutual-aid neighbor notification message, wherein the load information comprises: actual current load, predicted load, a prediction error, and time information; receiving an upper-layer neighbor notification message that is sent by an upper-layer load entity in the load entity DPM address coding table and corresponds to the local load entity, and obtaining load information of the upper-layer load entity by processing the upper-layer neighbor notification message; receiving a lower-layer neighbor notification message that is sent by a lower-layer load entity in the load entity DPM address coding table and corresponds to the local load entity, and obtaining load information of the lower-layer load entity by processing the lower-layer neighbor notification message; and obtaining the load information of the load entity adjacent to the local load entity by summarizing the load information of the mutual-aid load entity, the load information of the upper-layer load entity, and the load information of the lower-layer load entity. receiving a mutual-aid neighbor notification message sent by a mutual-aid load entity in a load entity dynamic power manager DPM address coding table, and obtaining load information of the mutual-aid load entity by processing the mutual-aid neighbor notification message, wherein the load information comprises: actual current load, predicted load, a prediction error, and time information; receiving an upper-layer neighbor notification message that is sent by an upper-layer load entity in the load entity DPM address coding table and corresponds to the local load entity, and obtaining load information of the upper-layer load entity by processing the upper-layer neighbor notification message; receiving a lower-layer neighbor notification message that is sent by a lower-layer load entity in the load entity DPM address coding table and corresponds to the local load entity, and obtaining load information of the lower-layer load entity by processing the lower-layer neighbor notification message; and obtaining the load information of the load entity adjacent to the local load entity by summarizing the load information of the mutual-aid load entity, the load information of the upper-layer load entity, and the load information of the lower-layer load entity.