The relationship between artists and critics has always been changeable and almost blue . Some artists create more ourstanding works under the promotion of critics . While some unfortunate artists are under the shadow of their critics all their life . Critics can pose both negtive  and positive effects upon artists , which is determined by the tatst of the critics and his attitude towards the art works . Artists should pay little attention to their critics and focus more attention on their own art creation . 
Criticism should not by emphasized by artists because criticism is confined by critics' experience and the taste of art which can not confirm the objectivity and accuracy of the criticism . One should look no further than the tragedy of Van Gogh. Even though his works worth millions of dollars nowadays, not many critics cherished his paintings at that time. Struggling with self-depression for years, he finally committed suicide. Had he realized the limitation of criticism, he would carry on working and creat more meaningful art works in his life .
Even  some critics can estimate art works and represent public properly , artists should not cater to the taste of public which prevent them from carrying out their original belief in art .In 2009, Zhang yimou  , a famous Chinese diretor ,   made a film named Three Guns to cater to the taste of public .Nevertheless , the profit and criticisms do not live up to the expectation of him . Public considered the film departure from the style of Zhang's film and became a pure commercial film with no connotation . Therefore , emphasizing the significance of criticism and paying much attention on public taste can only distort artists' originality and restrain the creativity of the artists .
Although criticism tends to undermine and constrain the creativity of the artists , it can not be ignored that criticism introduces works of artists to public and puts more attention to artists work which may promote the artists creativity . Wei desheng , a director of Taiwan , made his first movie  Cape No.7 in 2008. The film did not raise much attention at first , it came to be popular among public only after a criticism about it appeared on a editorial section on a newspaper . After that , the film have raise a wide-spread arguments among public and the director was known to public and some professional movie managers . Due to the criticism , public got to know a director with humanism sensitivity and enumourous imagination . Now Wei is sponsored by many corporations and can make more films of his own style .
As I have mentioned , although criticism may help the artists in their career , it may undermine and constrain artisits creativity .Therefore ,  artists should not pay too much attention on criticism and focus their spirit on art creation . the tragedy of Van Gogh. Even though his works worth millions of dollars nowadays, not many critics cherished his paintings at that time. Struggling with self-depression for years, he finally committed suicide. Had he realized the limitation of criticism, the world might have more insightful and meaningful paintings by him.