[1] All 200 members of the Chamber of Deputies were elected and Andrej Babiš of ANO, also the leader of the resultant government, became the Prime Minister.

Polls indicated that several other parties, including KSČM, ODS, KDU–ČSL, and TOP 09, were likely to re-enter the Chamber of Deputies, with support fluctuating between 5% and 12%.

After eight months of negotiations, ANO and ČSSD agreed to form a minority coalition government, with a confidence and supply agreement with the KSČM which lasted until April 2021.

[3] The Constitution of the Czech Republic stipulates that an election to the Chamber of Deputies, the lower house of the Parliament, must be held every four years.

The Government is responsible to the Chamber of Deputies and stays in power only if has the confidence of the majority of members of parliament.

Article 19(1) of the Constitution provides that any citizen of the Czech Republic who has right to vote and is twenty-one years old is eligible to serve as an MP.

The Social Democrats won the Senate election but lost many bigger cities, including the capital Prague, to its coalition partner, ANO.

ANO won the election with 21.05%, while the Social Democrats came first in only two regions – South Bohemia and Vysočina – with 15.25% nationwide.

[8] The KDU-ČSL won these elections with nine new senators, while both ANO and the Social Democrats suffered heavy losses.

The Social Democrats lost 10 seats, including that of their Vice President of the Senate Zdeněk Škromach.

The centre-right ODS had six candidates in the second round, with four of them being elected (including Zdeněk Nytra, who ran as an independent).

[9][10] The coalition government successfully passed many of the policies that had been announced in 2014, such as electronic registration of sales and reverse charging of value-added tax.

ČSSD, KDU-ČSL, the Greens and TOP 09 are all in favour of adopting the euro as early as possible, while ANO, the Communist Party and SPD reject it.

[clarification needed][29] ANO adopted Eurosceptic policies before the election, including opposition to the Euro, deeper European integration and immigration quotas,[30] but took a more pro-EU stance after the campaign.

KDU-ČSL began its campaign at the beginning of August 2017, focusing on family, education, innovation and children.

[36] ODS launched its electoral program and announced its candidates on 19 April 2017, promising to lower taxes and cut subsidies and social benefits.

[39] On 17 August 2017, ODS published the Vyšehrad Proclamation, a list of conditions under which the party would join a coalition government, including lower taxes, refusal to adopt the Euro, rejection of immigration quotas, and ending the electronic sales record.

"[41] On 29 September 2017, party leader Petr Fiala faced Andrej Babiš in a debate at Barrandov.

[45] On 17 October 2017, a 2016 picture of party leader Ivan Bartoš at an Anti-Fascist Action demonstration was published on the social media accounts of nationalist organization Pro-Vlast.

Milan Chovanec became acting party leader and Lubomír Zaorálek became the Social Democrat candidate for Prime Minister.

The Social Democrats experienced internal party conflict in the South Bohemian Region over the rejection of candidates, including former Governor Jiří Zimola.

STAN launched its campaign on 27 July 2017, introducing its new logo and election leader Jan Farský.

[67] TOP 09 launched its campaign on 30 May 2017,[68] mainly focusing on being in the "faster lane" of the European Union and adopting the Euro.

[71] The public ČT24 broadcast a series of debates with spokespeople from the ten biggest parties on various issues, including national security, healthcare, foreign policy and infrastructure, among others.

[82] President Miloš Zeman announced on 22 October that he intended to ask Babiš to form a government.

[86][87] Deputy ANO leader Jaroslav Faltýnek stated that the party should talk to its current coalition partners first.

[97] On 10 April, President Miloš Zeman proposed that Babiš continue negotiations with the Communist Party and Freedom and Direct Democracy, which between them would command a 115-seat majority.

ČSSD entered into coalition with ANO on 15 June 2018, with KSČM subsequently voting in favour of the ANO-ČSSD minority government in exchange for concessions.

[103][104] In January 2018, the police confirmed that the websites were subjected to DDoS attacks, but stressed that the investigation was still ongoing.