A device control method, comprising: receiving a request for exclusive control from a first control device, and entering an exclusive mode; receiving a first access request; and within valid time of the exclusive mode, judging whether the first access request is an access request sent by the first control device; characterized by the method comprising: if the first access request is an access request sent by the first control device, executing the first access request; and if the first access request is not an access request sent by the first control device, determining, according to an exclusive condition, whether to execute the first access request; and executing the first access request if the first access request is not an access request sent by the first control device and the exclusion condition is satisfied; wherein within valid time of the exclusive mode is determined by: if the recorded number of access request from the first control device in the exclusive mode is smaller than a number of continuous exclusive access requests, the exclusive mode is within the valid time, the number of continuous exclusive access requests being determined according to a preset relationship between the first control device and information of the number of continuous access requests. receiving a request for exclusive control from a first control device, and entering an exclusive mode; receiving a first access request; and within valid time of the exclusive mode, judging whether the first access request is an access request sent by the first control device; characterized by the method comprising: if the first access request is an access request sent by the first control device, executing the first access request; and if the first access request is not an access request sent by the first control device, determining, according to an exclusive condition, whether to execute the first access request; and executing the first access request if the first access request is not an access request sent by the first control device and the exclusion condition is satisfied; wherein within valid time of the exclusive mode is determined by: if the recorded number of access request from the first control device in the exclusive mode is smaller than a number of continuous exclusive access requests, the exclusive mode is within the valid time, the number of continuous exclusive access requests being determined according to a preset relationship between the first control device and information of the number of continuous access requests. if the first access request is an access request sent by the first control device, executing the first access request; and if the first access request is not an access request sent by the first control device, determining, according to an exclusive condition, whether to execute the first access request; and executing the first access request if the first access request is not an access request sent by the first control device and the exclusion condition is satisfied; wherein within valid time of the exclusive mode is determined by: if the recorded number of access request from the first control device in the exclusive mode is smaller than a number of continuous exclusive access requests, the exclusive mode is within the valid time, the number of continuous exclusive access requests being determined according to a preset relationship between the first control device and information of the number of continuous access requests.