The invention relates to a communication terminal multi-card single-standby implementation method, a communication terminal and electric acquisition equipment. The communication terminal multi-card single-standby implementation method comprises the steps of S1, respectively obtaining RSRP, RSRQ and SINR parameters of each card, and then respectively performing normalization processing on the RSRP,RSRQ and SINR parameters of each card to obtain corresponding normalized values; s2, performing weighted summation calculation on the normalized values of the RSRP, RSRQ and SINR parameters of each card to obtain a sum value; and S3, comparing the sum value of each card, connecting the card with the maximum sum value with a communication module, and matching a communication source by the communication module according to the type of the card. By using the method provided by the invention, the sum values of the plurality of cards are automatically compared in the equipment starting stage, andthe card with the optimal signal quality is further selected to be connected with the communication module, so that the purpose of improving the communication quality is achieved, and the cost advantage is obvious compared with a multi-card multi-standby terminal; compared with a single-card single-standby terminal, a communication network with better quality can be flexibly selected for communication, which is a great progress in the field.