Hello: it usually doesn't cause. There are many reasons for the increase of transaminase, such as fatigue, insomnia, excessive intake of greasy fried food or long-term drinking, liver injury and so on. Alanine aminotransferase (ALT) is an indicator of liver function. Generally speaking, its elevation indicates that liver cells are damaged. It is suggested that the cause should be found out in the hospital outpatient department first, and then the treatment plan should be determined according to the condition, and it can be recovered by actively cooperating with the treatment.