Congenital malformations of children's hands and feet: multi-finger, bifinger, split hand, giant finger, three-section thumb deformity, thumb scoliosis deformity, thumb dysplasia, etc.

Bone and joint trauma and fracture sequelae in children

Developmental dislocation of the hip, congenital patellar dislocation, children with meniscus disease, children with equator varus, children with high arch and flat feet, children with acute and chronic osteomyelitis

Common benign and malignant tumors in children, torticollis in children, "O-shaped legs" and "X-shaped legs" in children, rickets in children, metabolic bone disease in children

Aesthetic and functional reconstruction of children's congenital hand and foot deformity

Minimally invasive treatment and surgical treatment of children's hip dislocation

Radical treatment of benign and malignant bone tumors in children

Conservative treatment of various types of fractures in children