A simple data compression method used for designing of SoC architecture of life signal acquisition is proposed in this paper. The health service is an important part of home network following the development of information technology. Considering the parameters of each life signal for information analysis the re-sampling method can be used as a compression method. Re-sampling method is not complex and can be implemented with simple circuit. The SoC is used for a health service system in the home network. The advantage of the method is of a SoC with low power consumption.