The invention relates to bedding for children, in particular to a telescopic bed for children. The telescopic bed for the children comprises bed boards, supports, connecting pieces and a ladder; the bed boards comprises the upper bed board, the middle bed board and the lower bed board which are arranged in parallel, and the areas of the bed boards are sequentially increased form top to bottom; the connecting pieces comprises the first connecting pieces and the second connecting pieces, the upper bed board is fixedly connected with the supports through the first connecting pieces, and the middle bed board is fixedly connected with the supports through the second connecting pieces; lantern rings are installed on the outer side of the upper bed board and the outer side of the lower bed board; the outer side of the middle bed board is provided with grooves corresponding to the lantern rings; the upper ends of the ladder are arranged in the lantern rings of the upper bed board in a sleeved mode, and the lower ends of the ladder are arranged in the lantern rings of the lower bed board. The telescopic bed for the children is simple and reasonable in construction and firm in structure, the three bed boards can be separated or combined into a whole by means of the connecting pieces, the number of beds is changed, the space utilization rate is increased, and the practicability is improved.