A temperature adaptive control circuit for a light emitting diode, comprising: a light emitting diode load circuit unit in which one or more light emitting diodes are connected; and a temperature adaptive circuit unit comprising a positive temperature coefficient thermistor and a negative temperature coefficient thermistor connected in series, wherein the temperature adaptive circuit unit is configured such that current flowing through the one or more light emitting diodes in the light emitting diode load circuit unit is a function of sum of resistance of the positive temperature coefficient thermistor and resistance of the negative temperature coefficient thermistor; and wherein the temperature adaptive circuit unit has a temperature adaptive control node located after the negative temperature coefficient thermistor, and the voltage of the temperature adaptive control node varies as the sum of the resistance of the positive temperature coefficient thermistor and the resistance of the negative temperature coefficient thermistor varies, the temperature adaptive control circuit being characterized in that it further comprises an intermediate circuit unit comprising an input end, which is electrically connected to the temperature adaptive control node, an output end, which is electrically connected to any one of two ends of the light emitting diode load circuit unit; the intermediate circuit unit comprising an operational amplifier between the input end and the output end; wherein the temperature adaptive circuit unit is configured such that the sum of the resistance of the positive temperature coefficient thermistor and the resistance of the negative temperature coefficient thermistor decreases monotonically before it reaches a predetermined overheating temperature of the light emitting diode as the temperature rises, while the sum of the resistance of the positive temperature coefficient thermistor and the resistance of the negative temperature coefficient thermistor increases after it reaches the predetermined overheating temperature as the temperature rises. a light emitting diode load circuit unit in which one or more light emitting diodes are connected; and a temperature adaptive circuit unit comprising a positive temperature coefficient thermistor and a negative temperature coefficient thermistor connected in series, wherein the temperature adaptive circuit unit is configured such that current flowing through the one or more light emitting diodes in the light emitting diode load circuit unit is a function of sum of resistance of the positive temperature coefficient thermistor and resistance of the negative temperature coefficient thermistor; and wherein the temperature adaptive circuit unit has a temperature adaptive control node located after the negative temperature coefficient thermistor, and the voltage of the temperature adaptive control node varies as the sum of the resistance of the positive temperature coefficient thermistor and the resistance of the negative temperature coefficient thermistor varies, the temperature adaptive control circuit being characterized in that it further comprises an intermediate circuit unit comprising an input end, which is electrically connected to the temperature adaptive control node, an output end, which is electrically connected to any one of two ends of the light emitting diode load circuit unit; the intermediate circuit unit comprising an operational amplifier between the input end and the output end; wherein the temperature adaptive circuit unit is configured such that the sum of the resistance of the positive temperature coefficient thermistor and the resistance of the negative temperature coefficient thermistor decreases monotonically before it reaches a predetermined overheating temperature of the light emitting diode as the temperature rises, while the sum of the resistance of the positive temperature coefficient thermistor and the resistance of the negative temperature coefficient thermistor increases after it reaches the predetermined overheating temperature as the temperature rises.