Diagnosis and treatment of pediatric general surgery and neonatal surgical diseases: indirect inguinal hernia, pediatric acute abdomen (appendicitis, intussusception, inguinal incarcerated hernia, intestinal obstruction, etc.)

Diagnosis and treatment of neonatal surgical diseases: pyloric obstruction, duodenal obstruction, intestinal atresia, congenital megacolon, rectal anus deformity, neonatal necrotizing enterocolitis, biliary atresia, umbilical bulge, etc.

Laparoscopic surgical treatment of pylorus, duodenal obstruction, poor bowel rotation, rectal anus deformity, congenital megacolon

Application of laparoscopic surgery for newborns

Surgical treatment of biliary atresia and follow-up treatment

Study on the pathogenesis of NEC