CHILD SAFETY SEAT

A child safety seat (100) includes a seat shell (112) and a buffering part (132). The seat shell (112) includes a backrest portion (118) and two sidewalls (120), the backrest portion (118) having a front surface (118A) facing forward that is suitable to provide support for a child's back, the two sidewalls (120) being respectively disposed at a left and a right side of the seat shell (112) for restricting sideways movements of a child who sits in the seat shell (112), one of the two sidewalls (120) having a sidewall portion (120A) located in front of the front surface (118A). The buffering part (132) is connected with the seat shell (112), the buffering part (132) being operable to protrude sideways at an outer side of the sidewall portion (120A).