PROBLEM TO BE SOLVED: To provide a liquid treating agent composition for textile products, which can keep excellent deodorizing/odor-preventing effects even after preserved.SOLUTION: The liquid treating agent composition for textile products contains: glucan (A) having 50-10,000 polymerization degree and an inner branched circular structure portion, which is a circular structure portion to be formed from an &alpha-1,4-glucoside bond and an &alpha-1,6-glucoside bond, and an outer branched structure portion, which is an acyclic structure portion bonded to the inner branched circular structure portion and a biguanide compound (B).
