A multi-center, prospective,randomized, non-blind, controlled study was conducted to investigate the effects of different pre-operative nutritional support modes on perioperative nutritional status, surgical treatment success rate, and rehabilitation process in children with Hirschsprung disease.

Inclusion Criteria:

1. Children aged 0-5 years.
2. Clinical diagnosis with Hirschsprung's disease who requires surgery;

Exclusion Criteria:

1. Complicated with severe complications such as enterocolitis associated with Hirschsprung disease;
2. History of diseases associated with various organ systems that may be life-threatening;
3. Other severe digestive tract malformations or other diseases that may interfere with the treatment or compliance of the child;
4. Patients who have participated in other clinical trials within the last 1 month;
5. Any other conditions in which the investigator considers it inappropriate to participate in the trial.