There are more than 250 science and technology museums in China. This is not a lot for our 1.3 billion people-days country, but only a few can now often hold exhibitions. In addition to the China Science and Technology Museum, Tianjin Science and Technology Museum Outside the exhibition, very few of them have performed their original functions. Authoritative statistics from the China Association for Science and Technology show that about 60% of the museums across the country have to use some venues for long-term exhibitions and even turned them into bars and dance halls, which made them not Many mass cultural activities facilities are even scarcer. The main points of this passage are:. ['Failure to perform its original function is a serious problem facing science and technology museums.', 'The number of science and technology museums in China is very disproportionate to the large population.', 'Science and technology museums that can hold regular exhibitions and perform their original functions account for only 40%.', 'The main reason for the lack of cultural event facilities is that some science and technology museums use some venues for long-term exhibitions.']