The invention provides a configuration method and a portable configuration device oriented to a WSCN (Wireless Sensor & Controller Node). The method comprises the following steps that: S1, handheld equipment constructs a data packet according to an input parameter, and transmits the data packet to a communication node; S2, a wireless radio-frequency transceiver in the communication node forwards the data packet to terminal equipment; S3, a data link layer resolves the data packet into a data frame, judges whether or not the data frame is a data frame in a current network segment, if so, resolves a command in the data frame, executes operation corresponding to the command to generate a response frame, transmits the response frame to the communication node, otherwise, directly discards the data frame; S4, the communication node samples the temperature of a chip and the energy value of the wireless radio-frequency transceiver, adds the temperature and the energy value into the response frame to form a response data packet, and transmits the response data packet to the handheld equipment; and S5, the handheld equipment resolves the response data packet and displays a resolving result. The configuration method and the portable configuration device have the advantages of high data processing capability, stability, reliability, high timeliness and portability.