The number of women who engage in small entrepreneurs (SMEs) in Malaysia, Kelantan has a high number of Muslim businesswomen whose efforts have been in place for over ten years and their businesses are able to increase family income on sustainable. This paper aims to identify the types of sustainability activities undertaken by Muslim small business women in Kelantan and to analyse the factors that influence the viability of Muslim women entrepreneurs doing business there. A case study was conducted to answer the question of how Muslim women entrepreneurs can be sustainable in business. Interview respondents were selected from a random sampling conducted on 15 Muslim women entrepreneurs in Kelantan. These findings indicate the dry food product business is more sustainable than wet goods because the sale of dry goods is always in demand and does not require much initial capital. This study shows that the factors that influence the survival of Muslim women small entrepreneurs in Kelantan are divided into three categories i.e., First financial capital, the human capital of an inherited business and the family experience gained in the field plays a role. Last, the patient's spiritual element, which is deliberate and honest.