Biogas in rural areas and towns is not a new vocabulary and engineering. With the development of time and improvement of technology, there are also a lot of problems, such as technology is imperfect, and propaganda is not big enough. The problems of service outlets due to geographical problems should be given recommendations, the problems should be analyzed in detail and made reasonable response.%沼气在现在农村及城镇已经不是新鲜的词汇和工程了，随着时间的发展和技术的改进，也随之带来很多问题，例如技术不完善，宣传力度不够大。由于地域问题，服务网点存在的问题都应该给予建议，对问题应该详细分析并提出合理的对策。
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