The utility model relates to a parturition bed for a sow, which comprises side bed bars, a bed bottom, etc. The side bed bars are arranged at the circumference of the bed bottom; space-limiting bars are arranged in the side bed bars; an S-shaped spacer plate is positioned between one space-limiting bar and one side bed bars; the S-shaped spacer plate is connected with a heat supply rack; an entrance gate and an exit door are arranged at the side bed bar which is arranged between the space-limiting bars; an entrance feed trough and a waterer are positioned at the entrance door, and a feed complement trough is arranged on the side bed bar. The utility model can solve the problems that the piglet growth is inhibitory, the piglets have loose bowels and the management is inconvenient; thus, by using the utility model, the survival rate of the piglet is raised, and the body surface of the sow can be prevented from being damaged.