Boiler for heating, water-boiling and bathing

The utility model relates to a boiler for heating, water-boiling and bathing, comprising a base, a boiler body, a slag removal door, a grate, a hearth, a radiating pipe, a partition board and a chimney. Which is characterized in that a secondary heating pipe communicated with a cavity of the boiler body is arranged above the radiating pipe in the hearth; heating water can pass the secondary heating pipe; the secondary heating pipe is three circular pipes which are in V-shaped arrangement; the port of the chimney is provided with a wind block door adjusting the quantity of ventilation, the utility model has high thermal efficiency and long service life.