In Chinese grammar, you can use 不要 (bùyào) to mean "don't". This is similar to the other negative command "别".
Structure
Negative commands in Chinese ("do not" or "don't") are formed with 不要. Usually the subject is omitted, as in English.
不要+Verb+Object
Examples
Búyào shuōhuà !
不要 说话!
不要 说话!
Don't speak!