A multifunctional robot toy comprises a temperature sensor, a weight measurement instrument, a humidity sensor, a multifunctional displayer, a temperature meter, a master control module, a battery, a humidity meter and a voice player. The temperature sensor is arranged on the right eye of the robot toy, the weight measurement instrument is arranged in a groove formed in the head of the robot toy, the humidity sensor is arranged on the left eye of the robot toy, the temperature meter is vertically arranged on the abdomen of the robot toy, the master control module and the battery are arranged on the waist of the robot toy, the humidity meter is arranged on the abdomen of the robot toy, and the temperature sensor, the weight measurement instrument, the humidity sensor, the multifunctional displayer, the battery and the voice player are connected with the master control module through wires. According to the multifunctional robot toy, by additionally arranging the detection devices for the common sense in life, the common sense display function is added, children can learn new knowledge in the playing process and memorize the knowledge deeply, the thinking ability of the children is enhanced, and the intelligence of the children is well developed.