The invention discloses a physically thermostatic feeding
bottle device, characterized by comprising a milk feeding container (5), a milk discharging cover board (1), a
silicone ring (6), a milk feeding heat-sensitive
nickel-
titanium alloy spring (4), a milk discharging thermostatic
nickel-
titanium alloy spring (2) and a
silicone plug (3), forming a chamber; when milk temperature in the milk feeding container (5) is higher than 41 DEG C+ / -2 DEG C, the milk discharging thermostatic
nickel-
titanium alloy spring (2) contracts under the action of temperature, the milk feeding heat-sensitive nickel-
titanium alloy spring (4) also expands under the action of temperature, the
silicone plug (3) is pushed to block a conical though hole of the milk
discharge cover board (1), milk cannot flow out through the conical through hole of the milk discharging cover board (1), when the milk temperature is lower than 36 DEG C+ / -2 DEG C, the milk feeding heat-sensitive nickel-
titanium alloy spring (4) contracts under the action of temperature, the milk discharging thermostatic nickel-
titanium alloy spring (2) also expands under the action of temperature, the
silicone plug (3) is pushed so that what flows out of the conical through hole of the cover board is only the milk with the temperature suitable for baby's drinking, and thereby accidents caused by feeding with milk at inappropriate temperature are substantially avoided.