A solid state disk using method includes: determining a latency of the data block to-be-operated according to a load balancing table of the solid state disk; determining whether the latency of the data block is greater than a warning value, where the warning value is less than a typical latency, which is a preset latency indicating an operation on a data block in the solid state disk fails; and not performing the operation on the data block if the latency of the data block is greater than the warning value. By using this method, real load balancing from the perspective of physical property is achieved, bad blocks are reduced, use of reserved blocks is reduced, thereby prolonging the service life of the SSD.