A wanted to kill B, stabbed him with a knife, then regretted it, returned to the place where he was, and sent B, who was lying in a pool of blood, to the hospital, and B was able to escape.

It is a criminal suspension.

There are two types of criminal suspension: one is the suspension of voluntarily giving up the criminal behavior, and the other is the suspension of the criminal behavior that has been completed, but before the criminal consequences appear, the perpetrator actively takes measures, Suspension that effectively prevents criminal consequences from occurring. In this case, the perpetrator A's murderous act has been completed, but before the death of B occurred, he could not bear it and proactively sent B to the hospital for rescue, so that he could be saved from danger and effectively prevent the death of his wife. occurs, which conforms to the characteristics of the cessation of crime when the execution of the act is completed in Chinese criminal law.