Abstract: To solve the problems of the existing mobile law enforcement system in software,#br# function implementation and information security, a mobile enforcement application model is#br# provided for the inspection and quarantine using the MID terminal. The composition of the#br# hierarchical model is described in detail, and a suitable information security mechanism for the#br# model and the realization of security mechanism respectively from terminal side, network side and#br# client side are given. The actual application shows that the model is practical and effective, which#br# can effectively enhance the inspection and quarantine information law enforcement level and law#br# enforcement efficiency.#br# Key words: mobile law enforcement; mobile internet devices; information security;#br# inspection and quarantine