My friend’s wife was living with someone else, and her friend discovered it and stabbed a third person with a knife, causing serious injuries. The injured person was hospitalized for a month, and her

My friend’s wife was living with someone else, and her friend discovered it and stabbed a third person with a knife, causing serious injuries. The injured person was hospitalized for a month, and her friends paid all the medical expenses. ....He was prosecuted by the prosecutor's office on suspicion of intentional injury. If the injury is serious, he shall be sentenced to fixed-term imprisonment of not less than three years but not more than seven years, and shall also be fined. Our country's laws stipulate that if the injury is minor and not very bad in nature, criminal punishment will be exempted. But it is limited to minor injuries that are less harmful to society.