The radio drama Surrender 1 has four issues.

A radio drama (also known as radio drama, sound drama, audio drama) is a dramatic, purely acoustic performance, published by a radio station or on audio media such as tape or CD. There is no visual component and it is mainly a drama performed by an announcer or voice actor. Characters and stories to help the listener imagine. An art form adapted to the needs of radio broadcasting.

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The radio drama is based on character dialogue and explanation, and makes full use of musical accompaniment and sound effects to enhance the atmosphere. Character dialogue is the main means to promote plot development. Radio dramas require that actors' dubbing must be personalized, colloquial, and full of action. Actors must enunciate clearly and express accurate, lively, and sincere emotions.

The soundtrack should be distinctive, ups and downs, and soul-stirring, the sound effects must be realistic, and the commentary should help the audience understand the scenes and the action states of the characters in the play.

A dramatic form recorded mechanically using language, music and sound as means. The loss of visual means is the weakness of radio drama. However, only auditory means (language, music and sound) can not only fully mobilize the imagination of the audience, but also make them directly participate in creation and obtain special artistic enjoyment.

Moreover, due to the loss of visual means, radio dramas can gain greater freedom of time and space when developing plots, making fantasy, dreams, memories, etc. ideal themes for radio dramas. Since radio dramas only have auditory means, it is not suitable to show scenes with many characters or complex and multi-threaded plots. The clues are required to be simple and clear, and the characters are concentrated.