This paper investigates price support practices of lead underwriters in Taiwan. We use a sample of 184 IPOs from October 2005 through April 2010 for adoption overallotment option in Taiwan. We find that the lead underwriter engages in stabilization activity for larger information asymmetric IPOs. The prestigious lead underwriters do not affect stabilization activity. The likelihood of price support is positive related to the ratio of stabilization in prior day. Finally, we find that the initial return in first day is important factors that the lead underwriter engages in stabilization.