Child chair apparatus

A child chair apparatus comprising:

• a supporting device;
• and
• a seat device disposed on the supporting device, the seat device including:
• a fixing component disposed on the supporting device, the fixing component including a first shaft and a second shaft;
• and
• a seat component having an oscillating slot and a sliding slot and including a constraining component, the first shaft being slidably inserted in the oscillating slot, the second shaft being slidably inserted in the sliding slot, the constraining being movably connected to the seat component and capable of being operatively interfered with the first shaft so as to constrain a slide of the first shaft in the oscillating slot, the seat component capable of rotating relative to the fixing component via the first shaft when the constraining component is driven to move to an interfering position where the constraining component is interfered with the first shaft such that the child chair apparatus is a high chair, the first shaft and the second shaft being capable of sliding in the oscillating slot and the sliding slot respectively when the constraining component is driven to move away from the interfering position such that the child chair apparatus is a rocking chair.