Bseiso was imprisoned several times, one of which was in 1959 because of his political and struggle activities and his affiliation with the Communist Party during the period in which the Nasser regime was pursuing the Communists, and he wrote a book "Palestinian notebooks" in that period, and the siege of Beirut in 1982 was reflected on Bseisu's angry writings about his position Arab intellectuals.

And he published a book called "88 Days Behind the Barricades of Beirut" in which he recorded the diaries of the siege of Beirut, and due to his attachment to the communist dream, he published a book entitled "The Soviet Union for me". He also authored dozens of books on politics, poetry and many theater works.

The former Palestinian Minister of Culture, Ihab Bseiso, considered the poet Moein Bseiso one of the pioneers in developing the Palestinian poem, and also one of the pioneers of the Arab poem.

Literary critic Adel Al-Osta believes that Bseiso was not only a poet of the Palestinian cause, but that he was a poet for the toiling class that expresses its concerns and aspirations, and he fought through his poetry, and the poet's spirit continued to control his literary style, as the socialist school was popular at that time.

He added that Bseiso's poetry was for the masses, fighters and fedayeen, and not for the elites, and this was what occupied a large place in his thinking, and he was loyal to Palestine and the Soviet Union, and in his book “Palestinian notebooks” he focused on symbol and borrowing language, which are two tools of poetry, and he mocked poets and writers who They left Beirut after its siege.

For his part, Professor of Literary Criticism at the University of Jordan Ibrahim Khalil said that Mouin Bseiso represents the thunderbolt in the modern era, in its blameworthy concept, because he is one of the poets who arose after a generation of Palestinian poets who carried on their shoulders the poem of a liberal tendency, and Bseiso was opposed to the dissolution of the Communist Party In Egypt, this affected his poetry, and he started talking about the Egyptians more than the Palestinians.

He added that when writing the book "The Soviet Union to Me," Bseiso was fascinated by life in the Soviet Union, and through the title of the book the writer wanted to say that the Night of Power had opened for him.

Professor of Literature and Criticism at Al-Aqsa University, Bassam Abu Bashir, believes that the book "88 Days Behind the Barricades of Beirut" was not written in a normal atmosphere, but was in an atmosphere of war and siege. Sources, whether from the Torah, the Jewish heritage, or from the Arab heritage.