The invention relates to the field of child walk learning balance bicycles, in particular to a child walk learning balance bicycle capable of being freely disassembled and assembled. The child walk learning balance bicycle comprises a handlebar component, a front wheel, a rear wheel, a saddle, a handlebar supporting rod section bar, a bicycle frame section bar and a saddle supporting rod section bar. The two ends of the handlebar supporting rod section bar are connected with the handlebar component and the front wheel. A U-shaped connecting piece is arranged on a handlebar supporting rod. After being connected with a D-shaped closed connecting component, a U-shaped connecting piece is connected with the bicycle frame section bar. The rear wheel and the bicycle frame section bar are connected through a D-shaped opened connecting component. The two ends of a bicycle frame supporting rod are connected with the bicycle frame section bar and the saddle through angular rotary disc components.