See main article: article and 2018 WTA Shenzhen Open.
Andrea Sestini Hlaváčková and Peng Shuai were the defending champions, but Sestini Hlaváčková chose to compete in Brisbane instead and Peng chose not to participate this year.
Irina-Camelia Begu and Simona Halep won the title, defeating Barbora Krejčíková and Kateřina Siniaková in the final, 1–6, 6–1, [10–8].